bump admob to fix a crash from ads preloading

hmm.json

@@ -18,7 +18,7 @@
       "name": "extension-admob",
       "type": "git",
       "dir": null,
-      "ref": "356d94f01866688f86dc182603126d2a2c3d01c9",
+      "ref": "cb921a591bdb2dba604decf44cd8f5c3fbbe969b",
       "url": "https://github.com/FunkinCrew/extension-admob"
     },
     {

source/funkin/mobile/util/AdMobUtil.hx

@@ -116,7 +116,7 @@ class AdMobUtil
       Sys.println(event.toString());
     });
 
-    Admob.configureConsentMetadata(Admob.getTCFConsentForPurpose(0) == 1, StringTools.startsWith(Admob.getUSPrivacy(), '1Y'));
+    Admob.configureUnity(Admob.getTCFConsentForPurpose(0) == 1, StringTools.startsWith(Admob.getUSPrivacy(), '1Y'));
 
     Admob.init(#if TESTING_ADS true #else false #end);
   }