Update documentation.yml

Author: breadlesscode

.github/workflows/documentation.yml

@@ -16,7 +16,7 @@ jobs:
       with:
         node-version: '12.x'
     - name: 'Install dependencies'
-      run: npm install
+      run: npm -v && npm install
     - name: 'Build documentation'
       run: npm run docs:build
     - name: 'Deploy to GitHub-Pages'