Add deployment environment for docs and upload test stats (#107318)

Many thanks to this discussion comment for explaining why we don't need an environment for the calling workflow but the secret can still be used
https://github.com/orgs/community/discussions/25238#discussioncomment-3247035
Pull Request resolved: https://github.com/pytorch/pytorch/pull/107318
Approved by: https://github.com/huydhn, https://github.com/atalman

.github/workflows/_docs.yml

@@ -39,6 +39,7 @@ jobs:
     # Don't run on forked repos.
     if: github.repository_owner == 'pytorch'
     runs-on: ${{ matrix.runner }}
+    environment: ${{ (github.ref == 'refs/heads/main' || startsWith(github.event.ref, 'refs/tags/v')) && 'pytorchbot-env' || '' }}
     strategy:
       fail-fast: false
       matrix:

.github/workflows/upload-test-stats.yml

@@ -87,6 +87,7 @@ jobs:
     if: ${{ always() }}
     runs-on: [self-hosted, linux.2xlarge]
     continue-on-error: true
+    environment: pytorchbot-env
     steps:
       - name: Get our GITHUB_TOKEN API limit usage
         env: