ci: restore release dispatch — GITHUB_TOKEN releases skip release:published event

Author: syscod3

.github/workflows/release-please.yml

@@ -8,12 +8,29 @@ on:
 permissions:
   contents: write
   pull-requests: write
+  actions: write
 
 jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
       - uses: googleapis/release-please-action@v4
+        id: release
         with:
           config-file: .release-please-config.json
           manifest-file: .release-please-manifest.json
+
+      # GITHUB_TOKEN-created releases don't fire the release:published event,
+      # so we dispatch the release workflow explicitly.
+      - name: Trigger release build
+        if: steps.release.outputs.release_created == 'true'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            await github.rest.actions.createWorkflowDispatch({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              workflow_id: 'release.yml',
+              ref: 'main',
+              inputs: { tag: '${{ steps.release.outputs.tag_name }}' }
+            })