Enable SwiftLint rule 'multiline_arguments_brackets' and fix all violations

pass/Helpers/GitCredentialPassword.swift

@@ -31,14 +31,18 @@ public func requestGitCredentialPassword(credential: GitCredential.Credential,
             $0.text = lastPassword ?? ""
             $0.isSecureTextEntry = true
         }
-        alert.addAction(UIAlertAction.ok { _ in
-            password = alert.textFields?.first?.text
-            sem.signal()
-        })
-        alert.addAction(UIAlertAction.cancel { _ in
-            password = nil
-            sem.signal()
-        })
+        alert.addAction(
+            UIAlertAction.ok { _ in
+                password = alert.textFields?.first?.text
+                sem.signal()
+            }
+        )
+        alert.addAction(
+            UIAlertAction.cancel { _ in
+                password = nil
+                sem.signal()
+            }
+        )
         controller.present(alert, animated: true)
     }
 

pass/Helpers/SecurePasteboard.swift

@@ -29,11 +29,11 @@ public class SecurePasteboard {
             backgroundTaskID = UIBackgroundTaskIdentifier.invalid
         }
 
-        backgroundTaskID = UIApplication.shared.beginBackgroundTask(expirationHandler: { [weak self] in
+        backgroundTaskID = UIApplication.shared.beginBackgroundTask { [weak self] in
             UIPasteboard.general.string = ""
             UIApplication.shared.endBackgroundTask(UIBackgroundTaskIdentifier.invalid)
             self?.backgroundTaskID = UIBackgroundTaskIdentifier.invalid
-        })
+        }
 
         DispatchQueue.global(qos: .utility).asyncAfter(deadline: .now() + expirationTime) { [weak self] in
             UIPasteboard.general.string = ""