fix(sass): avoid deprecation warning by pinning version

sass decided to add a nasty deprecation warning in a patch https://sass-lang.com/documentation/breaking-changes/mixed-decls/

Author: johnleider

template/javascript/default/package.json

@@ -13,7 +13,7 @@
   },
   "devDependencies": {
     "@vitejs/plugin-vue": "^5.0.5",
-    "sass": "^1.77.6",
+    "sass": "1.77.6",
     "unplugin-fonts": "^1.1.1",
     "unplugin-vue-components": "^0.27.2",
     "vite-plugin-vuetify": "^2.0.3",

template/typescript/default/package.json

@@ -15,7 +15,7 @@
     "@babel/types": "^7.24.7",
     "@types/node": "^20.14.10",
     "@vitejs/plugin-vue": "^5.0.5",
-    "sass": "^1.77.6",
+    "sass": "1.77.6",
     "typescript": "^5.4.2",
     "unplugin-fonts": "^1.1.1",
     "unplugin-vue-components": "^0.27.2",