chore: update mocha

Author: Sascha Goldhofer

package.json

@@ -36,7 +36,7 @@
   "devDependencies": {
     "@json-schema-org/tests": "^2.0.0",
     "@types/chai": "^4.2.14",
-    "@types/mocha": "^8.0.4",
+    "@types/mocha": "^9.1.1",
     "@types/node": "^14.14.10",
     "@typescript-eslint/eslint-plugin": "^4.7.0",
     "@typescript-eslint/parser": "^4.7.0",
@@ -48,7 +48,7 @@
     "eslint-plugin-optimize-regex": "^1.2.0",
     "eslint-plugin-promise": "^4.2.1",
     "glob": "^7.1.2",
-    "mocha": "^3.1.2",
+    "mocha": "^9.2.2",
     "nyc": "^10.0.0",
     "terser-webpack-plugin": "^5.0.3",
     "ts-loader": "^8.0.11",