fix(app-start): Cold start should be Cold Start (#2076)

* fix description

* update

Author: buenaflor

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Fixes
+
+- Change app start span description from `Cold start` to `Cold Start` and `Warm start` to `Warm Start` ([#2076](https://github.com/getsentry/sentry-dart/pull/2076))
+
 ### Dependencies
 
 - Bump Cocoa SDK from v8.25.2 to v8.26.0 ([#2060](https://github.com/getsentry/sentry-dart/pull/2060))

flutter/lib/src/integrations/native_app_start_integration.dart

@@ -218,7 +218,7 @@ class AppStartInfo {
   String get appStartTypeOperation => 'app.start.${type.name}';
 
   String get appStartTypeDescription =>
-      type == AppStartType.cold ? 'Cold start' : 'Warm start';
+      type == AppStartType.cold ? 'Cold Start' : 'Warm Start';
   final pluginRegistrationDescription = 'App start to plugin registration';
   final sentrySetupDescription = 'Before Sentry Init Setup';
   final firstFrameRenderDescription = 'First frame render';