[CALCITE-6828] Upgrade Kerby from 1.1.1 to 2.1.0 in Avatica

Author: stoty

gradle.properties

@@ -72,7 +72,7 @@ jcip-annotations.version=1.0-1
 jcommander.version=1.72
 jetty.version=9.4.56.v20240826
 junit.version=4.12
-kerby.version=1.1.1
+kerby.version=2.1.0
 log4j2.version=2.17.1
 mockito.version=4.11.0
 protobuf.version=3.25.5