Bump testng from 7.5 to 7.7.0 (#67)

Bumps [testng](https://github.com/cbeust/testng) from 7.5 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@7.5...7.7.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -59,7 +59,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>11</java.version>
 
-        <testng.version>7.5</testng.version>
+        <testng.version>7.7.0</testng.version>
         <commons-io.version>2.11.0</commons-io.version>
         <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
         <cobertura-maven-plugin.version>2.7</cobertura-maven-plugin.version>