Update logic to alter pyproject version before publishing.

Author: robinjhuang

.github/workflows/publish_package.yml

@@ -11,7 +11,7 @@ jobs:
     permissions:
       id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.12
         uses: actions/setup-python@v4
@@ -27,7 +27,14 @@ jobs:
 
       - name: Update version in pyproject.toml
         run: |
-          sed -i "s/version = \".*\"/version = \"${{ env.VERSION }}\"/" pyproject.toml
+          python -c "
+          import tomlkit
+          with open('pyproject.toml', 'r') as f:
+              content = tomlkit.load(f)
+          content['project']['version'] = '${{ env.VERSION }}'
+          with open('pyproject.toml', 'w') as f:
+              tomlkit.dump(content, f)
+          "
 
       - name: Build distribution
         run: python -m build --sdist --wheel --outdir dist/