Update fiji preemptively to 2.3.1

Author: ctrueden

pom.xml

@@ -562,7 +562,7 @@
 		<!-- Fiji - https://github.com/fiji -->
 
 		<!-- Fiji - https://github.com/fiji/fiji -->
-		<fiji.version>2.3.0</fiji.version>
+		<fiji.version>2.3.1</fiji.version>
 
 		<!-- Standard Fiji projects -->