Stop publishing python 3.8/3.9 packages (#22343)

### Description
1. Stop publishing python 3.8/3.9 packages, to align with numpy. 
2. Add a trigger for CUDA12's python test pipeline.

tools/ci_build/github/azure-pipelines/py-cuda-package-test-pipeline.yml

@@ -1,21 +1,9 @@
-parameters:
-  - name: build_id
-    type: string
-    default: 'latest'
-  - name: project
-    type: string
-    default: 'Lotus'
-  - name: pipeline
-    type: string
-    default: 'Python-CUDA-Packaging-Pipeline'
-
 resources:
-  repositories:
-    - repository: manylinux
-      type: Github
-      endpoint: Microsoft
-      name: pypa/manylinux
-      ref: 5eda9aded5462201e6310105728d33016e637ea7
+  pipelines:
+  - pipeline: build
+    source: 'Python-CUDA-Packaging-Pipeline'
+    trigger: true
+    branch: main # branch to pick the artifact, Used only for manual triggered pipeline runs for testing the pipeline itself
 
 stages:
   # ****The following Stage depend on all previous tags. ***

tools/ci_build/github/azure-pipelines/templates/py-package-smoking-test.yml

@@ -22,10 +22,6 @@ jobs:
     ${{ parameters.machine_pool }}
   strategy:
     matrix:
-      Python38:
-        PythonVersion: '3.8'
-      Python39:
-        PythonVersion: '3.9'
       Python310:
         PythonVersion: '3.10'
       Python311:

tools/ci_build/github/azure-pipelines/templates/py-packaging-stage.yml

@@ -84,14 +84,6 @@ stages:
       pool: 'onnxruntime-Win-CPU-2022'
       strategy:
         matrix:
-          Python38_x64:
-            PythonVersion: '3.8'
-            MsbuildPlatform: x64
-            buildArch: x64
-          Python39_x64:
-            PythonVersion: '3.9'
-            MsbuildPlatform: x64
-            buildArch: x64
           Python310_x64:
             PythonVersion: '3.10'
             MsbuildPlatform: x64
@@ -107,14 +99,6 @@ stages:
           # Training build cannot support Win32 for now because one or more of its python
           # dependencies does not support Win32. So, don't build a training package for Win32
           ${{ if not(contains(parameters.build_py_parameters, '--enable_training')) }}:
-            Python38_x86:
-              PythonVersion: '3.8'
-              MsbuildPlatform: Win32
-              buildArch: x86
-            Python39_x86:
-              PythonVersion: '3.9'
-              MsbuildPlatform: Win32
-              buildArch: x86
             Python310_x86:
               PythonVersion: '3.10'
               MsbuildPlatform: Win32
@@ -294,26 +278,6 @@ stages:
         condition: always()
 
 - ${{ if eq(parameters.enable_windows_gpu, true) }}:
-    - template: py-win-gpu.yml
-      parameters:
-        MACHINE_POOL: 'onnxruntime-Win2022-GPU-A10'
-        PYTHON_VERSION: '3.8'
-        EP_BUILD_FLAGS: --use_tensorrt --tensorrt_home="$(Agent.TempDirectory)\TensorRT-10.4.0.26.Windows10.x86_64.cuda-11.8" --cuda_home="$(Agent.TempDirectory)\v11.8"  --cmake_extra_defines "CMAKE_CUDA_ARCHITECTURES=52;60;61;70;75;80"
-        ENV_SETUP_SCRIPT: setup_env_gpu.bat
-        EP_NAME: gpu
-        publish_symbols: ${{ parameters.publish_symbols }}
-        cmake_build_type: ${{ parameters.cmake_build_type }}
-
-    - template: py-win-gpu.yml
-      parameters:
-        MACHINE_POOL: 'onnxruntime-Win2022-GPU-A10'
-        PYTHON_VERSION: '3.9'
-        EP_BUILD_FLAGS: --use_tensorrt --tensorrt_home="$(Agent.TempDirectory)\TensorRT-10.4.0.26.Windows10.x86_64.cuda-11.8" --cuda_home="$(Agent.TempDirectory)\v11.8"  --cmake_extra_defines "CMAKE_CUDA_ARCHITECTURES=52;60;61;70;75;80"
-        ENV_SETUP_SCRIPT: setup_env_gpu.bat
-        EP_NAME: gpu
-        publish_symbols: ${{ parameters.publish_symbols }}
-        cmake_build_type: ${{ parameters.cmake_build_type }}
-
     - template: py-win-gpu.yml
       parameters:
         MACHINE_POOL: 'onnxruntime-Win2022-GPU-A10'
@@ -344,26 +308,6 @@ stages:
         publish_symbols: ${{ parameters.publish_symbols }}
         cmake_build_type: ${{ parameters.cmake_build_type }}
 
-    - template: py-win-gpu.yml
-      parameters:
-        MACHINE_POOL: 'onnxruntime-Win2022-GPU-dml-A10'
-        PYTHON_VERSION: '3.8'
-        EP_BUILD_FLAGS: --use_dml --cmake_extra_defines CMAKE_SYSTEM_VERSION=10.0.18362.0 --enable_wcos
-        ENV_SETUP_SCRIPT: setup_env.bat
-        EP_NAME: directml
-        publish_symbols: ${{ parameters.publish_symbols }}
-        cmake_build_type: ${{ parameters.cmake_build_type }}
-
-    - template: py-win-gpu.yml
-      parameters:
-        MACHINE_POOL: 'onnxruntime-Win2022-GPU-dml-A10'
-        PYTHON_VERSION: '3.9'
-        EP_BUILD_FLAGS: --use_dml --cmake_extra_defines CMAKE_SYSTEM_VERSION=10.0.18362.0 --enable_wcos
-        ENV_SETUP_SCRIPT: setup_env.bat
-        EP_NAME: directml
-        publish_symbols: ${{ parameters.publish_symbols }}
-        cmake_build_type: ${{ parameters.cmake_build_type }}
-
     - template: py-win-gpu.yml
       parameters:
         MACHINE_POOL: 'onnxruntime-Win2022-GPU-dml-A10'
@@ -408,10 +352,6 @@ stages:
         MACOSX_DEPLOYMENT_TARGET: '13.3'
       strategy:
         matrix:
-          Python38:
-            PythonVersion: '3.8'
-          Python39:
-            PythonVersion: '3.9'
           Python310:
             PythonVersion: '3.10'
           Python311:

tools/ci_build/github/azure-pipelines/templates/py-win-arm64ec-qnn.yml

@@ -28,10 +28,6 @@ jobs:
     name: ${{ parameters.MACHINE_POOL }}
   strategy:
     matrix:
-      Python38_x64:
-        PythonVersion: '3.8'
-      Python39_x64:
-        PythonVersion: '3.9'
       Python310_x64:
         PythonVersion: '3.10'
       Python311_x64:

tools/ci_build/github/azure-pipelines/templates/py-win-x64-qnn.yml

@@ -28,10 +28,6 @@ jobs:
     name: ${{ parameters.MACHINE_POOL }}
   strategy:
     matrix:
-      Python38_x64:
-        PythonVersion: '3.8'
-      Python39_x64:
-        PythonVersion: '3.9'
       Python310_x64:
         PythonVersion: '3.10'
       Python311_x64:

tools/ci_build/github/linux/build_linux_python_package.sh

@@ -7,9 +7,9 @@ mkdir -p /build/dist
 
 EXTRA_ARG=""
 
-# Put 3.8 at the last because Ubuntu 22.04 use python 3.10 and we will upload the intermediate build files of this 
+# Put 3.10 at the last because Ubuntu 22.04 use python 3.10 and we will upload the intermediate build files of this 
 # config to Azure DevOps Artifacts and download them to a Ubuntu 22.04 machine to run the tests.
-PYTHON_EXES=("/opt/python/cp38-cp38/bin/python3.8" "/opt/python/cp39-cp39/bin/python3.9" "/opt/python/cp311-cp311/bin/python3.11" "/opt/python/cp312-cp312/bin/python3.12" "/opt/python/cp310-cp310/bin/python3.10")
+PYTHON_EXES=("/opt/python/cp311-cp311/bin/python3.11" "/opt/python/cp312-cp312/bin/python3.12" "/opt/python/cp310-cp310/bin/python3.10")
 while getopts "d:p:x:c:" parameter_Option
 do case "${parameter_Option}"
 in