Bump testng from 7.6.0 to 7.7.1

Bumps [testng](https://github.com/cbeust/testng) from 7.6.0 to 7.7.1.
- [Release notes](https://github.com/cbeust/testng/releases)
- [Changelog](https://github.com/cbeust/testng/blob/master/CHANGES.txt)
- [Commits](testng-team/testng@7.6.0...7.7.1)

---
updated-dependencies:
- dependency-name: org.testng:testng
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

egeria-infrastructure-catalog-connector/pom.xml

@@ -100,7 +100,7 @@
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
-            <version>7.6.0</version>
+            <version>7.7.1</version>
             <scope>test</scope>
         </dependency>
 

pom.xml

@@ -124,7 +124,7 @@
         <maven-enforcer-plugin.version>3.0.0</maven-enforcer-plugin.version>
         <rat-plugin.version>0.13</rat-plugin.version>
         <surefire.plugin.version>3.0.0-M6</surefire.plugin.version>
-        <testng.version>7.6.0</testng.version>
+        <testng.version>7.7.1</testng.version>
         <assembly.plugin.version>3.3.0</assembly.plugin.version>
 
     </properties>