Bump logback-classic to 1.3.16

See ome/ome-metakit#29

Author: melissalinkert

pom.xml

@@ -158,7 +158,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.3.15</version>
+      <version>1.3.16</version>
       <optional>true</optional>
     </dependency>
     <dependency>