Bump testng from 6.10 to 7.7.0

Bumps [testng](https://github.com/cbeust/testng) from 6.10 to 7.7.0.
- [Release notes](https://github.com/cbeust/testng/releases)
- [Changelog](https://github.com/cbeust/testng/blob/master/CHANGES.txt)
- [Commits](https://github.com/cbeust/testng/compare/6.10...7.7.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index c5bf548..f2e3b5f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -156,7 +156,7 @@
         <hadoop.version>3.1.4</hadoop.version>
         <phoenix.thirdparty.version>2.0.0</phoenix.thirdparty.version>
         <guice.version>3.0</guice.version>
-        <testng.version>6.10</testng.version>
+        <testng.version>7.7.0</testng.version>
         <slf4j.version>1.7.36</slf4j.version>
         <log4j2.version>2.18.0</log4j2.version>
         <netty4.version>4.1.86.Final</netty4.version>