Bump testng from 7.5 to 7.5.1

Bumps [testng](https://github.com/cbeust/testng) from 7.5 to 7.5.1.
- [Release notes](https://github.com/cbeust/testng/releases)
- [Changelog](https://github.com/testng-team/testng/blob/master/CHANGES.txt)
- [Commits](https://github.com/cbeust/testng/compare/7.5...7.5.1)

---
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 c133dbf..c9b4db5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -100,7 +100,7 @@
 
     <!-- Test -->
     <!-- Version 7.4.0 fails to locate jquery.min.js for reporting on debian systems -->
-    <testng.version>7.5</testng.version>
+    <testng.version>7.5.1</testng.version>
 
     <!-- System-wide properties -->
     <maven.version>3.5.0</maven.version>