fix(deps): update react monorepo to v18

Author: renovate[bot]

client/package.json

@@ -24,8 +24,8 @@
     "keycloak-js": "11.0.2",
     "offix-cache": "0.16.0-alpha2",
     "offix-client": "0.16.0-alpha2",
-    "react": "16.13.1",
-    "react-dom": "16.13.1",
+    "react": "18.2.0",
+    "react-dom": "18.2.0",
     "react-offix-hooks": "0.16.0-alpha2",
     "react-router": "5.2.0",
     "react-router-dom": "5.2.0",