chore: update string label

Author: russellwheatley

FirebaseSwiftUI/FirebaseAuthSwiftUI/Sources/Utils/StringUtils.swift

@@ -315,14 +315,13 @@ public class StringUtils {
   public var phoneNumberVerificationCodeLabel: String {
     return localizedString(for: "Enter verification code")
   }
-
+  
   /// Phone provider
   /// found in:
   /// - PhoneAuthButtonView
-  public var smsCodeSentLabel: String {
-    return localizedString(for: "SMS code sent")
+  public var smsCodeSendButtonLabel: String {
+    return localizedString(for: "Send SMS code")
   }
-
   /// Phone provider
   /// found in:
   /// - PhoneAuthButtonView

FirebaseSwiftUI/FirebasePhoneAuthSwiftUI/Sources/Views/PhoneAuthView.swift

@@ -48,7 +48,7 @@ extension PhoneAuthView: View {
             }
           }
         }) {
-          Text(authService.string.smsCodeSentLabel)
+          Text(authService.string.smsCodeSendButtonLabel)
             .padding(.vertical, 8)
             .frame(maxWidth: .infinity)
         }