Update to Gradle 8.3 (opensearch-project#8896)

Signed-off-by: Andriy Redko <andriy.redko@aiven.io>

Author: reta

buildSrc/src/main/java/org/opensearch/gradle/test/RestIntegTestTask.java

@@ -44,7 +44,7 @@
  * conventional configured tasks of {@link RestIntegTestTask}
  */
 @CacheableTask
-public class RestIntegTestTask extends StandaloneRestIntegTestTask implements TestSuiteConventionMappings {
+public abstract class RestIntegTestTask extends StandaloneRestIntegTestTask implements TestSuiteConventionMappings {
     @SuppressWarnings("rawtypes")
     @Override
     public Task configure(Closure closure) {

buildSrc/src/main/java/org/opensearch/gradle/test/TestTask.java

@@ -15,7 +15,7 @@
 import org.gradle.api.tasks.testing.Test;
 
 @CacheableTask
-public class TestTask extends Test implements TestSuiteConventionMappings {
+public abstract class TestTask extends Test implements TestSuiteConventionMappings {
     @SuppressWarnings("rawtypes")
     @Override
     public Task configure(Closure closure) {

buildSrc/src/main/java/org/opensearch/gradle/testclusters/StandaloneRestIntegTestTask.java

@@ -62,7 +62,7 @@
  * {@link Nested} inputs.
  */
 @CacheableTask
-public class StandaloneRestIntegTestTask extends Test implements TestClustersAware, FileSystemOperationsAware {
+public abstract class StandaloneRestIntegTestTask extends Test implements TestClustersAware, FileSystemOperationsAware {
 
     private Collection<OpenSearchCluster> clusters = new HashSet<>();
     private Closure<Void> beforeStart;

gradle/wrapper/gradle-wrapper.jar

@@ -11,7 +11,7 @@
 
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionSha256Sum=7c3ad722e9b0ce8205b91560fd6ce8296ac3eadf065672242fd73c06b8eeb6ee
+distributionSha256Sum=bb09982fdf52718e4c7b25023d10df6d35a5fff969860bdf5a5bd27a3ab27a9e

gradle/wrapper/gradle-wrapper.properties

@@ -83,7 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum