dependabot: bump com.carrotsearch.randomizedtesting:randomizedtesting…

…-runner

Bumps com.carrotsearch.randomizedtesting:randomizedtesting-runner from 2.7.1 to 2.8.1.

---
updated-dependencies:
- dependency-name: com.carrotsearch.randomizedtesting:randomizedtesting-runner
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -627,7 +627,7 @@ dependencies {
     compileOnly "org.opensearch:opensearch:${opensearch_version}"
 
     //integration test framework:
-    integrationTestImplementation('com.carrotsearch.randomizedtesting:randomizedtesting-runner:2.7.1') {
+    integrationTestImplementation('com.carrotsearch.randomizedtesting:randomizedtesting-runner:2.8.1') {
         exclude(group: 'junit', module: 'junit')
     }
     integrationTestImplementation 'junit:junit:4.13.2'