chore: update scripts/update-gradle.sh to v9.3.0

Author: web-flow

CHANGELOG.md

@@ -24,6 +24,9 @@
 - Bump Native SDK from v0.12.2 to v0.12.3 ([#5012](https://github.com/getsentry/sentry-java/pull/5012))
   - [changelog](https://github.com/getsentry/sentry-native/blob/master/CHANGELOG.md#0123)
   - [diff](https://github.com/getsentry/sentry-native/compare/0.12.2...0.12.3)
+- Bump Gradle from v8.14.3 to v9.3.0 ([#5031](https://github.com/getsentry/sentry-java/pull/5031))
+  - [changelog](https://github.com/gradle/gradle/blob/master/CHANGELOG.md#v930)
+  - [diff](https://github.com/gradle/gradle/compare/v8.14.3...v9.3.0)
 
 ## 8.30.0
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME