fix: fixtures/fizz/package.json & fixtures/fizz/yarn.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-BABELTRAVERSE-5962462
- https://snyk.io/vuln/SNYK-JS-BABELRUNTIME-10044504
- https://snyk.io/vuln/SNYK-JS-BRACEEXPANSION-9789073

Author: snyk-bot

fixtures/fizz/package.json

@@ -10,7 +10,7 @@
     "@babel/core": "7.14.3",
     "@babel/register": "7.13.16",
     "babel-loader": "8.1.0",
-    "babel-preset-react-app": "10.0.0",
+    "babel-preset-react-app": "10.0.1",
     "compression": "^1.7.4",
     "concurrently": "^5.3.0",
     "express": "^4.17.1",
@@ -19,7 +19,7 @@
     "react-dom": "link:../../build/node_modules/react-dom",
     "react-error-boundary": "^3.1.3",
     "resolve": "1.12.0",
-    "rimraf": "^3.0.2",
+    "rimraf": "^4.3.1",
     "webpack": "4.44.2",
     "webpack-cli": "^4.2.0"
   },