build(fix): Add a empty proguard-rules-android.pro

* Supplied proguard configuration does not exist: /home/runner/work/miuix/miuix/composeApp/proguard-rules.pro

Author: YuKongA

composeApp/build.gradle.kts

@@ -154,7 +154,7 @@ android {
             isMinifyEnabled = true
             isShrinkResources = true
             vcsInfo.include = false
-            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules-android.pro")
             signingConfig = signingConfigs.getByName(if (keystorePath != null) "github" else "release")
         }
         debug {