fix(deps,rn) bump @react-native-async-storage/async-storage

In version 1.15 the storage backend was rewritten, which hopefully allows us to
fix this crash on Android:

Caused by java.lang.IllegalStateException: attempt to re-open an already-closed object: SQLiteDatabase: /data/user/0/org.jitsi.meet/databases/RKStorage
       at android.database.sqlite.SQLiteClosable.acquireReference(SQLiteClosable.java:55)
       at android.database.sqlite.SQLiteDatabase.queryWithFactory(SQLiteDatabase.java:1160)
       at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1036)
       at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1204)
       at com.reactnativecommunity.asyncstorage.AsyncStorageModule$1.doInBackgroundGuarded(AsyncStorageModule.java:159)
       at com.reactnativecommunity.asyncstorage.AsyncStorageModule$1.doInBackgroundGuarded(AsyncStorageModule.java:146)
       at com.facebook.react.bridge.GuardedAsyncTask.doInBackground(GuardedAsyncTask.java:35)
       at com.facebook.react.bridge.GuardedAsyncTask.doInBackground(GuardedAsyncTask.java:19)
       at android.os.AsyncTask$2.call(AsyncTask.java:305)
       at java.util.concurrent.FutureTask.run(FutureTask.java:237)
       at com.reactnativecommunity.asyncstorage.AsyncStorageModule$SerialExecutor$1.run(AsyncStorageModule.java:63)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
       at java.lang.Thread.run(Thread.java:760)

ios/Podfile.lock

     - React-jsi (= 0.61.5-jitsi.2)
     - ReactCommon/jscallinvoker (= 0.61.5-jitsi.2)
     - ReactCommon/turbomodule/core (= 0.61.5-jitsi.2)
-  - RNCAsyncStorage (1.13.2):
-    - React
+  - RNCAsyncStorage (1.15.5):
+    - React-Core
   - RNDefaultPreference (1.4.2):
     - React
   - RNDeviceInfo (8.0.0):
   React-RCTText: 4f1b99f228278d2a5e9008eced8dc9c974c4a270
   React-RCTVibration: c1041024893fdfdb8371e7c720c437751b711676
   ReactCommon: 18014e1d98dbeb9141e935cfe35fc93bd511ffb6
-  RNCAsyncStorage: bc2f81cc1df90c267ce9ed30bb2dbc93b945a8ee
+  RNCAsyncStorage: 8324611026e8dc3706f829953aa6e3899f581589
   RNDefaultPreference: 56a405ce61033ac77b95004dccd7ac54c2eb50d1
   RNDeviceInfo: 72ded653ce636b3f03571e90bed99309a714944e
   RNGoogleSignin: 39336070b35fc4cea6a98cf111e00480317be0ae

package-lock.json

       "integrity": "sha512-cPqjjzuFWNK3BSKLm0abspP0sp/IGOli4p5I5fKFAzdS8fvjdOwDCfZqAaIiXd9lPkOWi3SUUfZof3hEb7J/uw=="
     },
     "@react-native-async-storage/async-storage": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/@react-native-async-storage/async-storage/-/async-storage-1.13.2.tgz",
-      "integrity": "sha512-isTDvUApRJPVWFxV15yrQSOGqarX7cIedq/y4N5yWSnotf68D9qvDEv1I7rCXhkBDi0u4OJt6GA9dksUT0D3wg==",
+      "version": "1.15.5",
+      "resolved": "https://registry.npmjs.org/@react-native-async-storage/async-storage/-/async-storage-1.15.5.tgz",
+      "integrity": "sha512-4AYehLH39B9a8UXCMf3ieOK+G61wGMP72ikx6/XSMA0DUnvx0PgaeaT2Wyt06kTrDTy8edewKnbrbeqwaM50TQ==",
       "requires": {
         "deep-assign": "^3.0.0"
       }

package.json

     "@jitsi/js-utils": "1.0.6",
     "@material-ui/core": "4.11.3",
     "@microsoft/microsoft-graph-client": "1.1.0",
-    "@react-native-async-storage/async-storage": "1.13.2",
+    "@react-native-async-storage/async-storage": "1.15.5",
     "@react-native-community/google-signin": "3.0.1",
     "@react-native-community/netinfo": "4.1.5",
     "@react-native-community/slider": "3.0.3",