Update bigdataviewer-core: 10.6.1 -> 10.6.4

Author: tpietzsch

pom.xml

@@ -1016,7 +1016,7 @@
 		<!-- BigDataViewer - https://github.com/bigdataviewer -->
 
 		<!-- BigDataViewer Core - https://github.com/bigdataviewer/bigdataviewer-core -->
-		<bigdataviewer-core.version>10.6.1</bigdataviewer-core.version>
+		<bigdataviewer-core.version>10.6.4</bigdataviewer-core.version>
 		<sc.fiji.bigdataviewer-core.version>${bigdataviewer-core.version}</sc.fiji.bigdataviewer-core.version>
 
 		<!-- BigDataServer - https://github.com/bigdataviewer/bigdataviewer-server -->