Bump testng from 6.7 to 7.7.0

Bumps [testng](https://github.com/cbeust/testng) from 6.7 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/testng-6.7...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 6f388e6..3214d84 100644
--- a/pom.xml
+++ b/pom.xml
@@ -373,7 +373,7 @@
         <dependency>
           <groupId>org.testng</groupId>
           <artifactId>testng</artifactId>
-          <version>6.7</version>
+          <version>7.7.0</version>
           <scope>test</scope>
           <exclusions>
             <exclusion>