chore: 버전 업데이트 v1.5.4 (1154)

- versionCode: 1153 → 1154

- versionName: 1.5.3 → 1.5.4

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

app/build.gradle.kts

@@ -20,8 +20,8 @@ android {
  applicationId = "com.example.shiftalarm"
  minSdk = 26
  targetSdk = 35
-        versionCode = 1153
-        versionName = "1.5.3"
+        versionCode = 1154
+        versionName = "1.5.4"
 
  testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
  }