Simulating a release (#2479)

Trying out a release to check if publish to 
Maven Central happens. 
This will not be an actual version.

build.gradle.kts

@@ -1,5 +1,5 @@
 object This {
-    const val version = "7.4.0-SNAPSHOT"
+    const val version = "7.3.1"
     const val artifactId = "testng"
     const val groupId = "org.testng"
     const val description = "Testing framework for Java"