replace deprecated set-output command in workflow.yml, README and the examples file

.github/workflows/workflow.yml

@@ -28,7 +28,7 @@ jobs:
     - name: Determine npm cache directory
       id: npm-cache
       run: |
-        echo "::set-output name=dir::$(npm config get cache)"
+        echo "dir=$(npm config get cache)" >> $GITHUB_OUTPUT
     - name: Restore npm cache
       uses: actions/cache@v3
       with: