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

Author: web-flow

buildSrc/src/main/java/Config.kt

@@ -33,7 +33,7 @@ object Config {
     object Libs {
         val kotlinStd = "org.jetbrains.kotlin:kotlin-stdlib"
 
-        val sentryJavaVersion = "8.20.0"
+        val sentryJavaVersion = "8.21.0"
         val sentryAndroid = "io.sentry:sentry-android:$sentryJavaVersion"
         val sentryJava = "io.sentry:sentry:$sentryJavaVersion"