ci: dynamically update pyproject.toml version from Git tag in publish workflow.

Author: jasonmei012

.github/workflows/publish-pypi.yml

@@ -18,6 +18,26 @@ jobs:
         with:
           python-version: "3.11"
 
+      - name: Extract version from tag
+        id: get_version
+        run: |
+          # Get tag from release event or use ref for workflow_dispatch
+          if [ "${{ github.event_name }}" = "release" ]; then
+            TAG="${{ github.event.release.tag_name }}"
+          else
+            TAG="${{ github.ref_name }}"
+          fi
+          # Remove 'v' prefix if present
+          VERSION="${TAG#v}"
+          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
+          echo "Extracted version: $VERSION"
+
+      - name: Update version in pyproject.toml
+        run: |
+          sed -i "s/^version = .*/version = \"${{ steps.get_version.outputs.VERSION }}\"/" pyproject.toml
+          echo "Updated pyproject.toml:"
+          grep "^version" pyproject.toml
+
       - name: Install build tooling
         run: |
           python -m pip install --upgrade pip