Fix linting of App.vue by using the right dependency

front/.eslintrc.js

@@ -14,7 +14,7 @@ module.exports = {
   parserOptions: {
     ecmaVersion: 2018,
     sourceType: 'module',
-    parser: 'babel-eslint'
+    parser: '@babel/eslint-parser'
   },
   plugins: [
     'vue'

front/package.json

@@ -50,7 +50,6 @@
     "@vue/cli-plugin-unit-mocha": "~4.2.2",
     "@vue/cli-service": "~4.2.2",
     "@vue/test-utils": "^1.0.0-beta.20",
-    "babel-eslint": "^10.0.3",
     "chai": "^4.1.2",
     "easygettext": "^2.6.3",
     "eslint": "^7.25.0",