Bump Krill to version 0.60.4

Change-Id: Ie0e78c72694114944aa8a1b46af302f240e88e3a
diff --git a/core/pom.xml b/core/pom.xml
index b2f7429..25fc888 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -14,7 +14,7 @@
 		<hibernate.version>5.6.7.Final</hibernate.version>
 		<flyway.version>8.5.5</flyway.version>
 		<log4j.version>[2.17.1,)</log4j.version>
-		<krill.version>[0.60.3,)</krill.version>
+		<krill.version>[0.60.4,)</krill.version>
 		<koral.version>[0.38.1,)</koral.version>
 	</properties>