feat(auth): add web captcha handling

- replace manual captcha screen with WebView-based VK captcha flow
- handle captcha error 14 by showing the captcha overlay and retrying with success_token
- pass captcha redirect/result state through AppSettings
- remove old captcha ViewModel, navigation, validation, and DI
- add ACRA crash reporting
- add WIP message edit mode UI/state
- update Gradle wrapper, SDK config, and dependencies

build-logic/convention/src/main/kotlin/AndroidApplicationConventionPlugin.kt

@@ -1,5 +1,6 @@
 import com.android.build.api.dsl.ApplicationExtension
 import dev.meloda.fast.configureKotlinAndroid
+import dev.meloda.fast.getVersionInt
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.kotlin.dsl.configure
@@ -14,9 +15,9 @@ class AndroidApplicationConventionPlugin : Plugin<Project> {
             extensions.configure<ApplicationExtension> {
                 configureKotlinAndroid(this)
                 defaultConfig {
-                    targetSdk = 36
-                    compileSdk = 36
-                    minSdk = 23
+                    minSdk = getVersionInt("minSdk")
+                    compileSdk = getVersionInt("compileSdk")
+                    targetSdk = getVersionInt("targetSdk")
                 }
             }
         }