fix(deps): update dependency org.testng:testng to v7.12.0

Author: renovate[bot]

pom.xml

@@ -113,7 +113,7 @@
         <!-- versions of test dependencies -->
         <jacoco.version>0.8.12</jacoco.version>
         <jacoco.version>0.8.14</jacoco.version>
-        <testng.version>7.11.0</testng.version>
+        <testng.version>7.12.0</testng.version>
     </properties>
 
     <dependencyManagement>