Bump testng from 7.4.0 to 7.7.0

Bumps [testng](https://github.com/cbeust/testng) from 7.4.0 to 7.7.0.
- [Release notes](https://github.com/cbeust/testng/releases)
- [Changelog](https://github.com/cbeust/testng/blob/master/CHANGES.txt)
- [Commits](testng-team/testng@7.4.0...7.7.0)

---
updated-dependencies:
- dependency-name: org.testng:testng
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pom.xml

@@ -46,7 +46,7 @@
     <powermock-module-testng.version>2.0.7</powermock-module-testng.version>
     <spring-boot.version>2.7.4</spring-boot.version>
     <spring.version>5.3.23</spring.version>
-    <testng.version>7.4.0</testng.version>
+    <testng.version>7.7.0</testng.version>
     <tomcat.version>9.0.68</tomcat.version>
     <log4j2.version>2.17.1</log4j2.version>
   </properties>