add gawk to workflow

Author: StavromulaBeta

.github/workflows/hugo.yaml

@@ -42,6 +42,8 @@ jobs:
         run: sudo snap install dart-sass
       - name: Install Tree-Sitter cli
         run: sudo npm install -g [email protected]
+      - name: Install GAWK
+        run: sudo apt install gawk
       - name: Checkout
         uses: actions/checkout@v4
         with: