fix warnings

Author: harsh62

AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/SignOut/InitiateSignOut.swift

@@ -40,15 +40,15 @@ struct InitiateSignOut: Action {
             let data = try await credentialStoreClient?.fetchData(
                 type: .amplifyCredentials
             )
-            guard case .amplifyCredentials(var credentials) = data else {
+            guard case .amplifyCredentials(let credentials) = data else {
                 return signedInData
             }
 
             // Update SignedInData based on credential type
             switch credentials {
-            case .userPoolOnly(var updatedSignedInData):
+            case .userPoolOnly(let updatedSignedInData):
                 return updatedSignedInData
-            case .userPoolAndIdentityPool(var updatedSignedInData, _, _):
+            case .userPoolAndIdentityPool(let updatedSignedInData, _, _):
                 return updatedSignedInData
             case .identityPoolOnly, .identityPoolWithFederation, .noCredentials:
                 return signedInData

AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/SignOut/ShowHostedUISignOut.swift

@@ -46,17 +46,15 @@ class ShowHostedUISignOut: NSObject, Action {
                 inPrivate: false,
                 presentationAnchor: signOutEvent.presentationAnchor)
             await sendEvent(with: nil, dispatcher: dispatcher, environment: environment)
-        }
-        catch HostedUIError.cancelled {
+        } catch HostedUIError.cancelled {
             if signInData.isRefreshTokenExpired == true {
                 self.logVerbose("\(#fileID) Received user cancelled error, but session is expired and continue signing out.", environment: environment)
                 await sendEvent(with: nil, dispatcher: dispatcher, environment: environment)
             } else {
                 self.logVerbose("\(#fileID) Received error \(HostedUIError.cancelled)", environment: environment)
                 await sendEvent(with: HostedUIError.cancelled, dispatcher: dispatcher, environment: environment)
             }
-        }
-        catch {
+        } catch {
             self.logVerbose("\(#fileID) Received error \(error)", environment: environment)
             await sendEvent(with: error, dispatcher: dispatcher, environment: environment)
         }