Add --provenance

Author: pcothenet

.github/workflows/publish.yml

@@ -28,7 +28,7 @@ jobs:
 
       - uses: actions/setup-node@1a4442cacd436585916779262731d5b162bc6ec7 # v3.8.2
         with:
-          node-version: 14
+          node-version: 20
           registry-url: https://registry.npmjs.org/
 
       - name: Install dependencies
@@ -43,7 +43,7 @@ jobs:
         run: npm test
 
       - name: Publish package
-        run: npm publish --access public
+        run: npm publish --provenance --access public
 
       - name: Update deployment status (success)
         if: success()