Make dry-run publish steps' labeling more explicit

From https://github.com/riseproject-dev/python-wheels/pull/204#discussion_r3734442848:

not strictly related to this PR, but what about having a ./.github/workflows/deploy.yml workflow that would contains this to avoid copying it in each individual workflow?

The other benefit is that inside this file we could do something like:

• name: Deploy${{ github.ref != 'refs/heads/main' && ' (dry run)' || '' }}
  uses: ./.github/actions/deploy
  with:
  dry-run: ${{ github.ref != 'refs/heads/main' }}

So the name of the job will actually contain "(dry run)" . Right now, we have the impression that the publish job succeeded and correctly uploaded file on the registry

Further deploy changes probably aren't worth the effort, but taking Julien's suggestion to make the dry-run labeling more explicit would be helpful for our PRs.

检查 .github/workflows/deploy.yml 和 .github/actions/deploy，以及当前重复 deploy 步骤的工作流。更新发布步骤的标记，使 dry run 得到明显标注，然后运行受影响的 GitHub Actions 工作流，以确认 job 名称传达出未进行实际上传这一点。