feat(publish): add steps for publishing the package

Author: totallyzen

.github/workflows/release-please.yml

@@ -7,9 +7,29 @@ on:
 jobs:
   release:
     runs-on: ubuntu-latest
+    outputs:
+      release_created: ${{ steps.track-release.outputs.release_created }}
     steps:
       - uses: google-github-actions/release-please-action@v4
         id: track-release
         with:
           manifest-file: .github/.release-please-manifest.json
           config-file: .github/release-please-config.json
+  publish:
+    runs-on: ubuntu-latest
+    environment: release
+    permissions:
+      id-token: write
+    needs:
+      - release
+    if: ${{ needs.release.outputs.release_created }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: ./.github/actions/setup-env
+      - name: build package
+        run: poetry build
+      # this action uploads packages from the `dist/` directory
+      # usable once we set up trusted publishing, see https://docs.pypi.org/trusted-publishers/using-a-publisher/
+      - name: push package
+        uses: pypa/gh-action-pypi-publish@release/v1