npm audit fix (#1754)

* npm audit fix

* Delete yarn.lock

* Update karma-webpack version

* Update node version to 18 (LTS)

---------

Co-authored-by: Paulo Margarido <64600052+paulomarg@users.noreply.github.com>

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v3
         with:
-          node-version: '12'
+          node-version: '18'
       - name: Install Yarn Dependencies
         run: yarn
       - name: Run Yarn Tests

package.json

@@ -4,7 +4,6 @@
   "repository": "git@github.com:Shopify/shopify_app.git",
   "author": "Shopify",
   "license": "MIT",
-  "dependencies": {},
   "devDependencies": {
     "babel-loader": "^8.0.6",
     "babel-preset-shopify": "^21.0.0",
@@ -15,11 +14,11 @@
     "karma-cli": "^2.0.0",
     "karma-mocha": "^2.0.1",
     "karma-mocha-clean-reporter": "^0.0.1",
-    "karma-webpack": "^4.0.2",
-    "mocha": "^8.1.3",
+    "karma-webpack": "^5.0.0",
+    "mocha": "^10.2.0",
     "sinon": "^9.0.3",
     "sinon-chai": "^3.2.0",
-    "webpack": "^4.44.1"
+    "webpack": "^5.89.0"
   },
   "scripts": {
     "test": "./node_modules/.bin/karma start --browsers ChromeHeadless --single-run"