fix: make minhtml executable

Author: mtib

.github/workflows/build-and-deploy.yaml

@@ -28,9 +28,11 @@ jobs:
       - name: Build
         run: make all
 
-      - run: curl -L https://github.com/wilsonzlin/minify-html/releases/download/v0.15.0/minhtml-0.15.0-x86_64-unknown-linux-gnu > minhtml
-
-      - run: ./minhtml --keep-closing-tags --minify-css dist/*.html dist/*.css
+      - name: Minify HTML and CSS
+        run: |
+          curl -L https://github.com/wilsonzlin/minify-html/releases/download/v0.15.0/minhtml-0.15.0-x86_64-unknown-linux-gnu > minhtml
+          chmod +x minhtml
+          ./minhtml --keep-closing-tags --minify-css dist/*.html dist/*.css
 
       - name: Setup Pages
         id: pages