Update Gradle wrapper to 8.12 (#118683)

This updates the gradle wrapper to 8.12

We addressed deprecation warnings due to the update that includes:

- Fix change in TestOutputEvent api
- Fix deprecation in groovy syntax
- Use latest ospackage plugin containing our fix
- Remove project usages at execution time
- Fix deprecated project references in repository-old-versions

libs/entitlement/qa/entitlement-allowed-nonmodular/build.gradle

@@ -10,9 +10,9 @@
 apply plugin: 'elasticsearch.base-internal-es-plugin'
 
 esplugin {
-  name 'entitlement-allowed-nonmodular'
-  description 'A non-modular test module that invokes entitlement checks that are supposed to be granted'
-  classname 'org.elasticsearch.entitlement.qa.nonmodular.EntitlementAllowedNonModularPlugin'
+  name = 'entitlement-allowed-nonmodular'
+  description = 'A non-modular test module that invokes entitlement checks that are supposed to be granted'
+  classname = 'org.elasticsearch.entitlement.qa.nonmodular.EntitlementAllowedNonModularPlugin'
 }
 
 dependencies {

libs/entitlement/qa/entitlement-allowed/build.gradle

@@ -10,9 +10,9 @@
 apply plugin: 'elasticsearch.base-internal-es-plugin'
 
 esplugin {
-  name 'entitlement-allowed'
-  description 'A test module that invokes entitlement checks that are supposed to be granted'
-  classname 'org.elasticsearch.entitlement.qa.EntitlementAllowedPlugin'
+  name = 'entitlement-allowed'
+  description = 'A test module that invokes entitlement checks that are supposed to be granted'
+  classname = 'org.elasticsearch.entitlement.qa.EntitlementAllowedPlugin'
 }
 
 dependencies {

libs/entitlement/qa/entitlement-denied-nonmodular/build.gradle

@@ -10,9 +10,9 @@
 apply plugin: 'elasticsearch.base-internal-es-plugin'
 
 esplugin {
-  name 'entitlement-denied-nonmodular'
-  description 'A non-modular test module that invokes non-granted entitlement and triggers exceptions'
-  classname 'org.elasticsearch.entitlement.qa.nonmodular.EntitlementDeniedNonModularPlugin'
+  name = 'entitlement-denied-nonmodular'
+  description = 'A non-modular test module that invokes non-granted entitlement and triggers exceptions'
+  classname = 'org.elasticsearch.entitlement.qa.nonmodular.EntitlementDeniedNonModularPlugin'
 }
 
 dependencies {

libs/entitlement/qa/entitlement-denied/build.gradle

@@ -10,9 +10,9 @@
 apply plugin: 'elasticsearch.base-internal-es-plugin'
 
 esplugin {
-  name 'entitlement-denied'
-  description 'A test module that invokes non-granted entitlement and triggers exceptions'
-  classname 'org.elasticsearch.entitlement.qa.EntitlementDeniedPlugin'
+  name = 'entitlement-denied'
+  description = 'A test module that invokes non-granted entitlement and triggers exceptions'
+  classname = 'org.elasticsearch.entitlement.qa.EntitlementDeniedPlugin'
 }
 
 dependencies {

libs/native/libraries/build.gradle

@@ -25,7 +25,7 @@ repositories {
   exclusiveContent {
     forRepository {
       maven {
-        url "https://artifactory.elastic.dev/artifactory/elasticsearch-native"
+        url = "https://artifactory.elastic.dev/artifactory/elasticsearch-native"
         metadataSources {
           artifact()
         }