Bump to Gradle 9.5.1

buildSrc/src/main/kotlin/dd-trace-java.configure-tests.gradle.kts

@@ -63,6 +63,17 @@ tasks.withType<Test>().configureEach {
     onlyIf("skipForkedTests are undefined or false") { !skipForkedTestsProvider.isPresent }
   } else {
     exclude("**/*ForkedTest*")
+    // Starting from Gradle 9.3, Gradle will fail if a test task has no discovered tests.
+    // While this can be a misconfiguration, dd-trace-java test suite conventions allow suites
+    // to contain abstract base classes that are extended by concrete forked test suites.
+    //
+    // Many instrumentation suites indeed only ship *ForkedTest concrete classes
+    // (the non-forked peer task created by `addTestSuiteExtendingForDir` exists only
+    // to host shared configurations/sources). Those test tasks won't have executable tests
+    // by design under the `**/*ForkedTest*` exclude rule above. So let's allow them.
+    //
+    // Related but not the issue here https://github.com/gradle/gradle/issues/36508
+    failOnNoDiscoveredTests = false
   }
 
   // Set test timeout for 20 minutes. Default job timeout is 1h (configured on CI level).

gradle/wrapper/gradle-wrapper.properties

@@ -1,8 +1,10 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=6f74b601422d6d6fc4e1f9a1ab6522f642c2fdcbc15ae33ebd30ba3d7198e854
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.5-bin.zip
+distributionSha256Sum=bafc141b619ad6350fd975fc903156dd5c151998cc8b058e8c1044ab5f7b031f
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.1-bin.zip
 networkTimeout=10000
+retries=0
+retryBackOffMs=500
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists