Bump org.testng:testng from 7.11.0 to 7.12.0

Bumps [org.testng:testng](https://github.com/testng-team/testng) from 7.11.0 to 7.12.0.
- [Release notes](https://github.com/testng-team/testng/releases)
- [Changelog](https://github.com/testng-team/testng/blob/master/CHANGES.txt)
- [Commits](testng-team/testng@7.11.0...7.12.0)

---
updated-dependencies:
- dependency-name: org.testng:testng
  dependency-version: 7.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle.kts

@@ -62,7 +62,7 @@ subprojects {
         api("com.google.code.findbugs:jsr305:3.0.2")
 
         testImplementation("com.google.guava:guava:33.4.8-jre")
-        testImplementation("org.testng:testng:7.11.0")
+        testImplementation("org.testng:testng:7.12.0")
     }
 
     idea {