Bump to pom-scijava parent 8.4.0

This updates scijava-common to 2.48.0.

Author: ctrueden

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.scijava</groupId>
 		<artifactId>pom-scijava</artifactId>
-		<version>8.0.0</version>
+		<version>8.4.0</version>
 		<relativePath />
 	</parent>