update build-package workflow

.github/workflows/build-package.yaml

@@ -1,6 +1,8 @@
 name: Build Package
 on:
   push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
   pull_request:
 jobs:
   build:
@@ -16,10 +18,38 @@ jobs:
           curl -sSL https://install.python-poetry.org | python3 -
       - name: Install dependencies
         run: poetry install --no-root
+      - name: Check version matches tag
+        if: startsWith(github.ref, 'refs/tags/')
+        run: |
+          # Extract tag without 'v' prefix
+          TAG_VERSION=${GITHUB_REF#refs/tags/v}
+          # Get package version from poetry
+          PACKAGE_VERSION=$(poetry version -s)
+          if [ "$TAG_VERSION" != "$PACKAGE_VERSION" ]; then
+            echo "Tag version ($TAG_VERSION) does not match package version ($PACKAGE_VERSION)"
+            exit 1
+          fi
       - name: Build package
         run: poetry build
       - name: Upload artifact
         uses: actions/upload-artifact@v3
         with:
           name: dist
           path: dist/
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download built package
+        uses: actions/download-artifact@v3
+        with:
+          name: dist
+          path: dist/
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: dist/