fix: trigger publish workflow from auto-release via workflow_dispatch (#21)

GITHUB_TOKEN events don't trigger other workflows, but workflow_dispatch
is an exception. Add workflow_dispatch trigger to publish.yml and a step
in auto-release.yml to invoke it after creating a release.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: IISweetHeartII

.github/workflows/auto-release.yml

@@ -34,3 +34,10 @@ jobs:
           tag_name: v${{ steps.version.outputs.version }}
           name: v${{ steps.version.outputs.version }}
           generate_release_notes: true
+      - name: Trigger publish workflow
+        if: steps.check_tag.outputs.exists == 'false'
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          gh workflow run publish.yml
+          echo "✅ Publish workflow triggered"

.github/workflows/publish.yml

@@ -3,6 +3,7 @@ name: Publish to PyPI
 on:
   release:
     types: [published]
+  workflow_dispatch:
 
 permissions:
   id-token: write