build(deps-dev): bump testng from 7.5 to 7.5.1 in /examples (#882)

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/testng-team/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
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/pom.xml

@@ -36,7 +36,7 @@
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
-            <version>7.5</version>
+            <version>7.5.1</version>
             <scope>test</scope>
         </dependency>