ci: dispatch beta release via execute-workflow instead of inlining

Use apify/workflows/execute-workflow@main to trigger manual_release_beta.yaml
as a separate workflow run (not a reusable workflow call), so PyPI's Trusted
Publishing accepts the OIDC token. This removes the duplication between
on_master.yaml and manual_release_beta.yaml introduced by the previous inline
approach.

Add a concurrency group to manual_release_beta.yaml so two rapid pushes to
master cannot race on the version bump and PyPI publish.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: vdusek

.github/workflows/manual_release_beta.yaml

@@ -1,13 +1,17 @@
 name: Beta release
 
 on:
-  # Runs when manually triggered from the GitHub UI.
-  # Note: This workflow is intentionally NOT a reusable workflow (no `workflow_call`)
-  # because PyPI's Trusted Publishing does not currently support reusable workflows.
-  # The same jobs are duplicated in `on_master.yaml` for the automatic beta release on push to master.
+  # Runs when manually triggered from the GitHub UI, or dispatched from `on_master.yaml`
+  # via the `apify/workflows/execute-workflow` action for the automatic beta release on push to master.
+  # Note: This workflow is intentionally NOT a reusable workflow (no `workflow_call`) because PyPI's
+  # Trusted Publishing does not currently support reusable workflows.
   # See: https://docs.pypi.org/trusted-publishers/troubleshooting/#reusable-workflows-on-github
   workflow_dispatch:
 
+concurrency:
+  group: release
+  cancel-in-progress: false
+
 permissions:
   contents: read
 

.github/workflows/on_master.yaml

@@ -22,56 +22,19 @@ jobs:
     name: Tests
     uses: ./.github/workflows/_tests.yaml
 
-  # The beta release jobs are intentionally inlined here (instead of calling `manual_release_beta.yaml` via `uses:`)
+  # The beta release is dispatched as a separate workflow run (instead of calling `manual_release_beta.yaml` via `uses:`)
   # because PyPI's Trusted Publishing does not currently support reusable workflows.
   # See: https://docs.pypi.org/trusted-publishers/troubleshooting/#reusable-workflows-on-github
-  release_prepare:
+  beta_release:
     # Skip this for "ci", "docs" and "test" commits and for forks.
     if: "!startsWith(github.event.head_commit.message, 'ci') && !startsWith(github.event.head_commit.message, 'docs') && !startsWith(github.event.head_commit.message, 'test') && startsWith(github.repository, 'apify/')"
-    name: Beta release / Release prepare
+    name: Beta release
     needs: [code_checks, tests]
     runs-on: ubuntu-latest
-    outputs:
-      version_number: ${{ steps.release_prepare.outputs.version_number }}
-      changelog: ${{ steps.release_prepare.outputs.changelog }}
-    steps:
-      - uses: apify/workflows/git-cliff-release@main
-        id: release_prepare
-        name: Release prepare
-        with:
-          release_type: prerelease
-          existing_changelog_path: CHANGELOG.md
-
-  changelog_update:
-    name: Beta release / Changelog update
-    needs: [release_prepare]
     permissions:
-      contents: write
-    uses: apify/workflows/.github/workflows/python_bump_and_update_changelog.yaml@main
-    with:
-      version_number: ${{ needs.release_prepare.outputs.version_number }}
-      changelog: ${{ needs.release_prepare.outputs.changelog }}
-    secrets: inherit
-
-  pypi_publish:
-    name: Beta release / PyPI publish
-    needs: [release_prepare, changelog_update]
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-      id-token: write # Required for OIDC authentication.
-    environment:
-      name: pypi
-      url: https://pypi.org/project/apify-shared
+      actions: write # Required by execute-workflow.
     steps:
-      - name: Prepare distribution
-        uses: apify/workflows/prepare-pypi-distribution@main
+      - name: Dispatch beta release workflow
+        uses: apify/workflows/execute-workflow@main
         with:
-          package_name: apify-shared
-          is_prerelease: "yes"
-          version_number: ${{ needs.release_prepare.outputs.version_number }}
-          ref: ${{ needs.changelog_update.outputs.changelog_commitish }}
-
-      # Publish the package to PyPI using PyPA official GitHub action with OIDC authentication.
-      - name: Publish package to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
+          workflow: manual_release_beta.yaml