Bump testng from 7.5 to 7.5.1

Bumps [testng](https://github.com/cbeust/testng) from 7.5 to 7.5.1.
- [Release notes](https://github.com/cbeust/testng/releases)
- [Changelog](https://github.com/cbeust/testng/blob/master/CHANGES.txt)
- [Commits](testng-team/testng@7.5...7.5.1)

---
updated-dependencies:
- dependency-name: org.testng:testng
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -388,7 +388,7 @@
       <groupId>org.testng</groupId>
       <artifactId>testng</artifactId>
       <!-- Last version to support Java 8 -->
-      <version>7.5</version>
+      <version>7.5.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>