Update agent-js to latest version (#2635)

Apparently the `agent-js` version 2.1.1 has a bug related to time.
The bug is fixed in the latest release.

Author: Frederik Rothenberger

package-lock.json

@@ -56,13 +56,13 @@
     "webdriverio": "^8.39.0"
   },
   "dependencies": {
-    "@dfinity/agent": "^2.1.1",
-    "@dfinity/auth-client": "^2.1.1",
-    "@dfinity/candid": "^2.1.1",
-    "@dfinity/identity": "^2.1.1",
+    "@dfinity/agent": "^2.1.2",
+    "@dfinity/auth-client": "^2.1.2",
+    "@dfinity/candid": "^2.1.2",
+    "@dfinity/identity": "^2.1.2",
     "@dfinity/internet-identity-vc-api": "*",
-    "@dfinity/principal": "^2.1.1",
-    "@dfinity/utils": "^2.5.0",
+    "@dfinity/principal": "^2.1.2",
+    "@dfinity/utils": "^2.5.1",
     "bip39": "^3.0.4",
     "buffer": "^6.0.3",
     "dompurify": "^3.1.3",