Log Message:
mongodb: updated to 4.2.12

4.2.12

Issues fixed in 4.2.12:

SERVER-40361: Reduce memory footprint of plan cache entries
SERVER-47863: Initial Sync Progress Metrics
SERVER-48471: Hashed indexes may be incorrectly marked multikey and be \ 
ineligible as a shard key
SERVER-50769: server restarted after \ 
expr{“expr”:”_currentApplyOps.getArrayLength() > \ 
0”,”file”:”src/mongo/db/pipeline/document_source_change_stream_transform.cpp”,”line”:535}}
SERVER-52654: new signing keys not generated by the monitoring-keys-for-HMAC thread
SERVER-52879: Periodic operation latency spikes every 5 minutes due to closing \ 
idle cached WT sessions