Update devDependencies

Author: martinadamsdev

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 node_modules
+yarn.lock
 
 # local env files
 .env.local
@@ -20,3 +21,4 @@ pnpm-debug.log*
 *.njsproj
 *.sln
 *.sw?
+

package.json

@@ -9,9 +9,9 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
-    "cesium": "^1.72.0",
+    "cesium": "^1.73.0",
     "core-js": "^3.6.5",
-    "vue": "^2.6.11",
+    "vue": "^2.6.12",
     "vue-router": "^3.2.0",
     "vuex": "^3.4.0"
   },
@@ -24,15 +24,16 @@
     "@vue/cli-service": "~4.5.0",
     "@vue/eslint-config-prettier": "^6.0.0",
     "@vue/test-utils": "^1.0.3",
+    "vue-template-compiler": "^2.6.11",
     "babel-eslint": "^10.1.0",
-    "copy-webpack-plugin": "^6.0.3",
     "eslint": "^6.7.2",
+    "prettier": "^1.19.1",
     "eslint-plugin-prettier": "^3.1.3",
     "eslint-plugin-vue": "^6.2.2",
-    "node-sass": "^4.12.0",
-    "prettier": "^1.19.1",
-    "sass-loader": "^8.0.2",
-    "vue-template-compiler": "^2.6.11",
-    "webpack": "^4.44.1"
+    "sass": "^1.26.11",
+    "dart-sass": "^1.25.0",
+    "sass-loader": "^10.0.2",
+    "copy-webpack-plugin": "^6.0.3",
+    "webpack": "^4.44.2"
   }
 }