chore: Bump gRPC version (#89)

Signed-off-by: Anush008 <anushshetty90@gmail.com>

Author: Anush008

build.gradle

@@ -79,7 +79,7 @@ jar {
 	}
 }
 
-def grpcVersion = '1.65.1'
+def grpcVersion = '1.68.2'
 def protocVersion = '3.25.4'
 def slf4jVersion = '2.0.14'
 def testcontainersVersion = '1.20.1'