chore(release): bump v0.4.1 (versionCode 8)

fix(sync) 5xx -> Transient com retry; runSync trata Failed/NotConfigured;
SSE multilinha; ApiClient sem imports mortos.

Verificado: testDebugUnitTest + assembleDebug + assembleRelease limpos
(JDK 21 / AGP 8.13.2 / SDK 36).

app/build.gradle.kts

@@ -14,8 +14,8 @@ android {
         applicationId = "com.labexposed.notas"
         minSdk = 26
         targetSdk = 36
-        versionCode = 7
-        versionName = "0.4.0"
+        versionCode = 8
+        versionName = "0.4.1"
     }
 
     buildTypes {