ci: merge release and publish workflow

Author: rjw57

.github/workflows/publish.yml

@@ -29,3 +29,44 @@ jobs:
         run: npx -p @release-it/bumper -p @release-it/conventional-changelog release-it
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Upload artifacts for publication
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-dist
+          path: dist/*
+  test-pypi-publish:
+    name: Upload to Test PyPI
+    runs-on: ubuntu-latest
+    needs: [release]
+    environment:
+      name: test-pypi
+      url: https://test.pypi.org/p/pydantic-gitlab-webhooks
+    permissions:
+      id-token: write
+    steps:
+      - name: Download distribution artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: python-dist
+          path: dist/
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          repository-url: https://test.pypi.org/legacy/
+  pypi-publish:
+    name: Upload to PyPI
+    runs-on: ubuntu-latest
+    needs: [test-pypi-publish]
+    environment:
+      name: pypi
+      url: https://pypi.org/p/pydantic-gitlab-webhooks
+    permissions:
+      id-token: write
+    steps:
+      - name: Download a single artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: python-dist
+          path: dist/
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1