Bump testng from 6.9.9 to 7.7.0

Bumps [testng](https://github.com/cbeust/testng) from 6.9.9 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/6.9.9...7.7.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 7b2db63..11b21e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -210,7 +210,7 @@
             <dependency> <!-- TCK and default tests -->
                 <groupId>org.testng</groupId>
                 <artifactId>testng</artifactId>
-                <version>6.9.9</version>
+                <version>7.7.0</version>
                 <scope>test</scope>
             </dependency>
             <dependency> <!-- camel/arquillian -->