chore: update flutter/scripts/update-android.sh to 8.6.0

Author: web-flow

CHANGELOG.md

@@ -4,9 +4,9 @@
 
 ### Dependencies
 
-- Bump Android SDK from v8.2.0 to v8.5.0 ([#2819](https://github.com/getsentry/sentry-dart/pull/2819))
-  - [changelog](https://github.com/getsentry/sentry-java/blob/main/CHANGELOG.md#850)
-  - [diff](https://github.com/getsentry/sentry-java/compare/8.2.0...8.5.0)
+- Bump Android SDK from v8.2.0 to v8.6.0 ([#2819](https://github.com/getsentry/sentry-dart/pull/2819), [#2831](https://github.com/getsentry/sentry-dart/pull/2831))
+  - [changelog](https://github.com/getsentry/sentry-java/blob/main/CHANGELOG.md#860)
+  - [diff](https://github.com/getsentry/sentry-java/compare/8.2.0...8.6.0)
 - Bump Cocoa SDK from v8.46.0 to v8.48.0 ([#2820](https://github.com/getsentry/sentry-dart/pull/2820))
   - [changelog](https://github.com/getsentry/sentry-cocoa/blob/main/CHANGELOG.md#8480)
   - [diff](https://github.com/getsentry/sentry-cocoa/compare/8.46.0...8.48.0)

flutter/android/build.gradle

@@ -60,7 +60,7 @@ android {
 }
 
 dependencies {
-    api 'io.sentry:sentry-android:8.5.0'
+    api 'io.sentry:sentry-android:8.6.0'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
 
     // Required -- JUnit 4 framework