Aperture: Update CameraX to 1.4.0-alpha04

Change-Id: Id5402061108fdeaa9e26951e6f86b6b7cb5f1568
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 806ba94..be8b68c 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -84,7 +84,7 @@
     implementation("com.google.android.material:material:1.9.0")
 
     // CameraX core library using the camera2 implementation
-    val cameraxVersion = "1.4.0-alpha03"
+    val cameraxVersion = "1.4.0-alpha04"
     // The following line is optional, as the core library is included indirectly by camera-camera2
     implementation("androidx.camera:camera-core:${cameraxVersion}")
     implementation("androidx.camera:camera-camera2:${cameraxVersion}")