Upgrade uri-js dependency to the ES5 fixed version

Updates the dependency to uri-js to version 4.2.2 which fixes the esnext/es5 issue and therefore makes ajv compatible with IE11 again. For more info about this issue see this issue over at uri-js: https://github.com/garycourt/uri-js/issues/24

package.json

@@ -63,7 +63,7 @@
     "fast-deep-equal": "^2.0.1",
     "fast-json-stable-stringify": "^2.0.0",
     "json-schema-traverse": "^0.4.1",
-    "uri-js": "^4.2.1"
+    "uri-js": "^4.2.2"
   },
   "devDependencies": {
     "ajv-async": "^1.0.0",