refactor: Update Gradle wrapper

Use this link to re-run the recipe: https://app.moderne.io/recipes/org.openrewrite.gradle.UpdateGradleWrapper?organizationId=T3BlblJld3JpdGU%3D#defaults%3DW3sibmFtZSI6ImFkZElmTWlzc2luZyIsInZhbHVlIjoiRmFsc2UifV0%3D

Co-authored-by: Moderne <team@moderne.io>

Author: shanman190

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionSha256Sum=8d97a97984f6cbd2b85fe4c60a743440a347544bf18818048e611f5288d46c94
+distributionSha256Sum=20f1b1176237254a6fc204d8434196fa11a4cfb387567519c61556e8710aed78