apm-data: bump resource version

Bump resource version to ensure all templates and pipelines are
updated on Elasticsearch upgrade

Author: endorama

x-pack/plugin/apm-data/src/main/resources/resources.yaml

@@ -1,7 +1,7 @@
 # "version" holds the version of the templates and ingest pipelines installed
 # by xpack-plugin apm-data. This must be increased whenever an existing template or
 # pipeline is changed, in order for it to be updated on Elasticsearch upgrade.
-version: 15
+version: 16
 
 component-templates:
   # Data lifecycle.