update github action

~ upgraded github action version

Author: oltdaniel

.github/workflows/deploy.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v2
       # Build & deploy
       - name: Deploy to gh-pages branch
-        uses: shalzz/zola-deploy-action@v0.13.0
+        uses: shalzz/zola-deploy-action@v0.14.0
         env:
           # Target branch
           PAGES_BRANCH: gh-pages