Update dependency gradle to v8.6

Author: renovate[bot]

build.gradle.kts

@@ -66,7 +66,7 @@ tasks {
     }
 
     withType<Wrapper> {
-        gradleVersion = "8.4"
+        gradleVersion = "8.6"
     }
 
     withType<JavaCompile> {

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME