Update iOS SDK to 5.4.0

Author: fadi-george

example/IonicCapOneSignal/ios/App/Podfile.lock

@@ -76,11 +76,11 @@ EXTERNAL SOURCES:
     :path: "../capacitor-cordova-ios-plugins"
 
 SPEC CHECKSUMS:
-  Capacitor: 12914e6f1b7835e161a74ebd19cb361efa37a7dd
-  CapacitorApp: 63b237168fc869e758481dba283315a85743ee78
+  Capacitor: a5bf59e09f9dd82694fdcca4d107b4d215ac470f
+  CapacitorApp: 3ddbd30ac18c321531c3da5e707b60873d89dd60
   CapacitorCordova: 31bbe4466000c6b86d9b7f1181ee286cff0205aa
-  CordovaPluginsStatic: 3d602e37c70cd6b14f24da42db9435a84ccbaa7b
-  OneSignalXCFramework: 95b6391df5a91b448003149c1a633ade42ceca1e
+  CordovaPluginsStatic: f19ca17196e2f341d4b24f7d1bb1f95fb23fface
+  OneSignalXCFramework: 8ed6648481bee0bd973a138fecd80331b798524f
 
 PODFILE CHECKSUM: 4e290bb2df47012150def12d11e3a198a5384f5e
 

plugin.xml

@@ -74,7 +74,7 @@
             <source url="https://cdn.cocoapods.org/"/>
         </config>
         <pods use-frameworks="true">
-            <pod name="OneSignalXCFramework" spec="5.2.16" />
+            <pod name="OneSignalXCFramework" spec="5.4.0" />
         </pods>
     </podspec>