Post-release dep version bump

Author: cowtowncoder

pom.xml

@@ -8,7 +8,7 @@
   <parent>
     <groupId>tools.jackson</groupId>
     <artifactId>jackson-base</artifactId>
-    <version>3.1.5</version>
+    <version>3.1.6-SNAPSHOT</version>
   </parent>
   <groupId>tools.jackson.module</groupId>
   <artifactId>jackson-module-jsonSchema-parent</artifactId>