Docs: Updated the resiliency docs to point to the DiscoveryWithServiceDisruptions class
Upgrade to Jackson 2.4.2
closes #7934
closes #7932
Logging: suppress long mapping logging during mapping updates (unless in TRACE)

Currently DEBUG logs can get very verbose because IndicesClusterStateService logs the complete mapping with every mapping update. We should suppress it if long in DEBUG mode and always log the full one in TRACE.

Closes #7949