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

Author: web-flow

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## Unreleased
+
+### Dependencies
+
+- 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)
+
 ## 8.33.0
 
 ### Features

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