chore: update scripts/update-android.sh to 8.21.0

Author: web-flow

CHANGELOG.md

@@ -17,9 +17,9 @@
 - Bump Cocoa SDK from v8.53.2 to v8.55.0 ([#943](https://github.com/getsentry/sentry-capacitor/pull/943))
   - [changelog](https://github.com/getsentry/sentry-cocoa/blob/main/CHANGELOG.md#8550)
   - [diff](https://github.com/getsentry/sentry-cocoa/compare/8.53.2...8.55.0)
-- Bump Android SDK from v8.18.0 to v8.20.0 ([#956](https://github.com/getsentry/sentry-capacitor/pull/956))
-  - [changelog](https://github.com/getsentry/sentry-java/blob/main/CHANGELOG.md#8200)
-  - [diff](https://github.com/getsentry/sentry-java/compare/8.18.0...8.20.0)
+- Bump Android SDK from v8.18.0 to v8.21.0 ([#956](https://github.com/getsentry/sentry-capacitor/pull/956), [#972](https://github.com/getsentry/sentry-capacitor/pull/972))
+  - [changelog](https://github.com/getsentry/sentry-java/blob/main/CHANGELOG.md#8210)
+  - [diff](https://github.com/getsentry/sentry-java/compare/8.18.0...8.21.0)
 
 ## 2.2.0
 

android/build.gradle

@@ -76,5 +76,5 @@ repositories {
 
 dependencies {
     implementation project(':capacitor-android')
-    implementation 'io.sentry:sentry-android:8.20.0'
+    implementation 'io.sentry:sentry-android:8.21.0'
 }