chore: update scripts/update-gradle.sh to v9.3.1

Author: web-flow

CHANGELOG.md

@@ -11,6 +11,9 @@
 - Bump Native SDK from v0.12.4 to v0.12.6 ([#5071](https://github.com/getsentry/sentry-java/pull/5071))
   - [changelog](https://github.com/getsentry/sentry-native/blob/master/CHANGELOG.md#0126)
   - [diff](https://github.com/getsentry/sentry-native/compare/0.12.4...0.12.6)
+- Bump Gradle from v8.14.3 to v9.3.1 ([#5063](https://github.com/getsentry/sentry-java/pull/5063))
+  - [changelog](https://github.com/gradle/gradle/blob/master/CHANGELOG.md#v931)
+  - [diff](https://github.com/gradle/gradle/compare/v8.14.3...v9.3.1)
 
 ### Internal
 

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-9.3.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME