chore(deps): 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:production
...

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

pom.xml

@@ -37,7 +37,7 @@
         <!-- <java.version>1.8</java.version> -->
   	<!-- <git-repository-name>whcs-java-sdk</git-repository-name> -->
         <nexus-staging-plugin-version>1.6.8</nexus-staging-plugin-version>
-        <testng-version>7.4.0</testng-version>
+        <testng-version>7.7.0</testng-version>
         <okhttp3-version>4.9.1</okhttp3-version>
         <surefire-version>3.0.0-M3</surefire-version>
         <jacoco-plugin-version>0.8.5</jacoco-plugin-version>