[Snyk] Security upgrade org.testng:testng from 7.5 to 7.7.0

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `maven` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • samples/idaithalam-massapibatch-testing/pom.xml

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Upgrade	Breaking Change	Exploit Maturity
	539/1000 Why? Has a fix available, CVSS 6.5	Arbitrary File Write via Archive Extraction (Zip Slip) SNYK-JAVA-ORGTESTNG-3040285	org.testng:testng: 7.5 -> 7.7.0	No	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Check the changes in this PR to ensure they won't cause issues with your project.

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