build(deps): bump testng from 7.4.0 to 7.6.0 (#4866)

Bumps [testng](https://github.com/cbeust/testng) from 7.4.0 to 7.6.0.
- [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/7.4.0...7.6.0)

---
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>

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

benchmark/pom.xml

@@ -41,7 +41,7 @@
     <dependency>
       <groupId>org.testng</groupId>
       <artifactId>testng</artifactId>
-      <version>7.4.0</version>
+      <version>7.6.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

pom.xml

@@ -94,7 +94,7 @@
     <guava.version>31.1-jre</guava.version>
     <jaxb-api.version>2.3.1</jaxb-api.version>
     <juniversalchardet.version>2.4.0</juniversalchardet.version>
-    <testng.version>7.4.0</testng.version>
+    <testng.version>7.6.0</testng.version>
     <httpmime.version>4.5.13</httpmime.version>
     <owasp-encoder.version>1.2.3</owasp-encoder.version>
     <jasypt.version>1.9.3</jasypt.version>