Update dependencies and dev deps

Dockerfile

@@ -6,7 +6,7 @@ RUN apk upgrade --update \
     && apk add --no-cache curl yarn git
 
 RUN yarn global add \
-    @vue/cli@3.4.1 \
+    @vue/cli@3.12.1 \
     node-firestore-import-export
 
 ARG WEB_USER_ID=33

package.json

@@ -24,18 +24,17 @@
     "vuex": "3.0.1"
   },
   "devDependencies": {
-    "@vue/cli-plugin-babel": "^3.4.0",
+    "@vue/cli-plugin-babel": "3.12.1",
-    "@vue/cli-plugin-eslint": "^3.4.0",
+    "@vue/cli-plugin-eslint": "3.12.1",
-    "@vue/cli-service": "^3.4.0",
+    "@vue/cli-service": "3.12.1",
-    "babel-eslint": "^10.0.1",
+    "babel-eslint": "10.0.1",
-    "eslint": "^5.8.0",
+    "eslint": "6.8.0",
-    "eslint-config-airbnb-base": "^13.1.0",
+    "eslint-config-airbnb-base": "14.1.0",
-    "eslint-plugin-import": "^2.16.0",
+    "eslint-plugin-import": "2.20.1",
-    "eslint-plugin-jsx-a11y": "^6.2.1",
+    "eslint-plugin-jsx-a11y": "6.2.3",
-    "eslint-plugin-vue": "^5.0.0",
+    "eslint-plugin-vue": "6.2.2",
-    "serialize-javascript": "2.1.1",
+    "stylus": "0.54.7",
-    "stylus": "^0.54.5",
+    "stylus-loader": "3.0.2",
-    "stylus-loader": "^3.0.2",
     "vue-template-compiler": "2.6.7"
   }
 }