[Python] Bump Version and Create Release PR

Workflow runs for [Python] Bump Version and Create Release PR

• ci: fix PR body injection by using env var instead of expression

  failed:
  [Python] Bump Version and Create Release PR#3:Commitafab914pushedbymsyyc
  yuchaoyan/add-python-bump-version-workflow

  Mar 3, 20261m 44s
  More actions for workflow run 3

• ci: add GITHUB_TOKEN to chronus version step

  failed:
  [Python] Bump Version and Create Release PR#2:Commitc848cf7pushedbymsyyc
  yuchaoyan/add-python-bump-version-workflow

  Mar 3, 20261m 35s
  More actions for workflow run 2

• ci: add temporary push trigger for workflow testing

  failed:
  [Python] Bump Version and Create Release PR#1:Commita546a87pushedbymsyyc
  yuchaoyan/add-python-bump-version-workflow

  Mar 3, 202655s
  More actions for workflow run 1