Fix update releaser workflows

.github/workflows/update-workflows.yml

@@ -1,9 +1,10 @@
 name: Update releaser worflows
 
 on:
- pull_request_target:
+ workflow_dispatch:
  schedule:
- - cron: '0 2 21 * *'
+ # Monthly on the 23th
+ - cron: '0 2 23 * *'
 
 jobs:
  releaser_workflows:
@@ -19,8 +20,8 @@ jobs:
  uses: actions/checkout@v3
  - run: |
  set -eux
- wget -O prep-release.yml https://github.com/jupyter-server/jupyter_releaser/blob/main/example-workflows/prep-release.yml
- wget -O publish-release.yml https://github.com/jupyter-server/jupyter_releaser/blob/main/example-workflows/publish-release.yml
+ wget -O prep-release.yml https://raw.githubusercontent.com/jupyter-server/jupyter_releaser/main/example-workflows/prep-release.yml
+ wget -O publish-release.yml https://raw.githubusercontent.com/jupyter-server/jupyter_releaser/main/example-workflows/publish-release.yml
  working-directory: template/.github/workflows
 
  - name: List files changed
@@ -44,10 +45,18 @@ jobs:
 
  git pull --no-tags
 
+ export SHA=$(git rev-parse --short HEAD)
+ export BRANCH_NAME=new-releaser-workflows-${SHA}
+ git checkout -b "${BRANCH_NAME}"
+
+ # Needed for hub to create the pull request correctly
+ # Ref: https://github.com/github/hub/issues/1538 https://github.com/github/hub/pull/1705
+ git remote set-head origin --auto
+
  git add *
  git commit -m "Automatic update of the releaser workflows"
 
- git config push.default upstream
- git push
+ git push --set-upstream origin "${BRANCH_NAME}"
+ hub pull-request -b "main" -m "Updated releaser workflows available at ${SHA}"
  env:
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}