fix: named and rename the prism-kotlin-client to identus-kotlin-client

Signed-off-by: mineme0110 <shailesh.patil@iohk.io>

cloud-agent/client/kotlin/build.gradle

@@ -53,7 +53,7 @@ publishing {
             name = "GitHubPackages"
             url = "https://maven.pkg.github.com/hyperledger/identus-cloud-agent/"
             credentials {
-                username = System.getenv("GITHUB_USER")
+                username = System.getenv("GITHUB_ACTOR")
                 password = System.getenv("GITHUB_TOKEN")
             }
         }