[Backport 2.x] Bump org.gradle.test-retry from 1.6.0 to 1.6.1 (opensearch-project#5060)

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Author: 3 people

build.gradle

@@ -64,7 +64,7 @@ plugins {
     id 'com.diffplug.spotless' version '6.25.0'
     id 'checkstyle'
     id 'com.netflix.nebula.ospackage' version "11.10.1"
-    id "org.gradle.test-retry" version "1.6.0"
+    id "org.gradle.test-retry" version "1.6.1"
     id 'eclipse'
     id "com.github.spotbugs" version "5.2.5"
     id "com.google.osdetector" version "1.7.3"