chore: update scripts/update-gradle.sh to v8.13.0

Author: web-flow

CHANGELOG.md

@@ -19,6 +19,9 @@
 - Bump Native SDK from v0.7.2 to v0.7.8 ([#3620](https://github.com/getsentry/sentry-java/pull/3620))
   - [changelog](https://github.com/getsentry/sentry-native/blob/master/CHANGELOG.md#078)
   - [diff](https://github.com/getsentry/sentry-native/compare/0.7.2...0.7.8)
+- Bump Gradle from v8.5.0 to v8.13.0 ([#15](https://github.com/maxhov/sentry-java/pull/15))
+  - [changelog](https://github.com/gradle/gradle/blob/master master-test release-test/CHANGELOG.md#v8130)
+  - [diff](https://github.com/gradle/gradle/compare/v8.5.0...v8.13.0)
 
 ## 7.17.0
 

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME