Update GitHub Actions workflows

.github/workflows/build.yml

@@ -29,11 +29,14 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.11
+          python-version: 3.x
 
       - name: Install npm packages
         run: npm install
 
+      - name: Install Python packages
+        run: python -m pip install setuptools
+
       - name: Validate
         run: npm run validate
 

.github/workflows/publish.yml

@@ -30,11 +30,14 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.11
+          python-version: 3.x
 
       - name: Install npm packages 
         run: npm install
 
+      - name: Install Python packages
+        run: python -m pip install setuptools
+
       - name: Validate
         run: npm run validate