[CALCITE-6826] Update Junit from 4.12.0 to 4.13.2 in Avatica

Author: stoty

gradle.properties

@@ -71,7 +71,7 @@ jackson.version=2.15.4
 jcip-annotations.version=1.0-1
 jcommander.version=1.72
 jetty.version=9.4.56.v20240826
-junit.version=4.12
+junit.version=4.13.2
 kerby.version=1.1.1
 log4j2.version=2.17.1
 mockito.version=4.11.0