Update dependency sass-loader to v12.6.0

Author: renovate-bot

package.json

@@ -57,7 +57,7 @@
     "eslint": "8.8.0",
     "eslint-plugin-vue": "8.4.0",
     "sass": "1.49.10",
-    "sass-loader": "12.4.0",
+    "sass-loader": "12.6.0",
     "vue-cli-plugin-vuetify": "2.4.8",
     "vue-template-compiler": "2.6.14",
     "vuetify-loader": "1.7.3"