Install postcss

Author: Mariatta

.github/workflows/hugo.yml

@@ -38,8 +38,8 @@ jobs:
         run: |
           wget -O ${{ runner.temp }}/hugo.deb https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_linux-amd64.deb \
           && sudo dpkg -i ${{ runner.temp }}/hugo.deb
-      - name: Install Dart Sass
-        run: sudo snap install dart-sass
+      - name: Install PostCSS
+        run: npm i postcss
       - name: Checkout
         uses: actions/checkout@v4
         with: