chore: Updated publish workflow to only push if version tag updated

.github/workflows/pypi_release.yaml

@@ -23,8 +23,19 @@ jobs:
       - name: Build with UV
         run: uvx --from build pyproject-build --installer uv
 
+      - name: Check version
+        id: check_version
+        run: |
+          NEW_VERSION=$(echo "$GITHUB_REF" | sed -E 's/refs\/tags\/v(.+)/\1/')
+          CURRENT_VERSION=$(python -c "import toml; from packaging.version import parse as parse_version; print(parse_version(toml.load('pyproject.toml')['project']['version']))")
+          if python -c "from packaging.version import parse as parse_version; exit(0 if parse_version('$NEW_VERSION') > parse_version('$CURRENT_VERSION') else 1)"; then
+            echo "::set-output name=new_version::true"
+          else
+            echo "::set-output name=new_version::false"
+      
       - name: Publish
         uses: pypa/[email protected]
+        if: startsWith(github.ref, 'refs/tags/v') && steps.check_version.outputs.new_version == 'true'
         with:
           user: __token__
           password: ${{ secrets.PYPI_TOKEN_TEMP }}