Update workflow.yaml for versioning

Author: kamiazya

.github/workflows/workflow.yaml

@@ -66,3 +66,23 @@ jobs:
         uses: ./
       - name: Graphviz test
         run: dot -V
+
+  versioning:
+    name: Versioning
+    runs-on: ubuntu-latest
+    needs:
+      - integration-test
+    permissions:
+      contents: write # Used to commit to "Version Packages" PR
+      pull-requests: write # Used to create "Version Packages" PR
+    if: ${{ github.event_name == 'push' && github.repository == 'ts-graphviz/setup-graphviz' && github.base_ref == 'refs/heads/main' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - name: Setup
+        uses: ./.github/actions/setup
+      - name: Create Release Pull Request
+        id: changesets
+        uses: changesets/action@aba318e9165b45b7948c60273e0b72fce0a64eb9 # v1.4.7
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}