Use first-party action for creating release PR

Instead of using the third party `peter-evans/create-pull-request`
action for creating a PR for releases, we can use the already present
`./.github/actions/create-pr` action which is also used for the PR for
bumping CLI versions.

.github/workflows/release.yml

@@ -122,16 +122,15 @@ jobs:
           perl -i -pe 's/^/## \[UNRELEASED\]\n\n/ if($.==3)' CHANGELOG.md
 
       - name: Create version bump PR
-        uses: peter-evans/create-pull-request@2b011faafdcbc9ceb11414d64d0573f37c774b04 # v4.2.3
+        uses: ./.github/actions/create-pr
         if: success()
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: Bump version to ${{ steps.bump-patch-version.outputs.next_version }}
           title: Bump version to ${{ steps.bump-patch-version.outputs.next_version }}
           body: This PR was automatically generated by the GitHub Actions release workflow in this repository.
-          branch: ${{ format('version/bump-to-{0}', steps.bump-patch-version.outputs.next_version) }}
-          base: main
-          draft: true
+          head-branch: ${{ format('version/bump-to-{0}', steps.bump-patch-version.outputs.next_version) }}
+          base-branch: main
 
   vscode-publish:
     name: Publish to VS Code Marketplace