Vault creates an LRU cache that is used when interacting with the
physical backend. Add telemetry when the cache is hit, missed, written
to and deleted from. Use the MetricSink from ClusterMetrics
* storage/raft: When restoring a snapshot preseal first
* best-effort allow standbys to apply the restoreOp before sealing active node
* Don't cache the raft tls key
* Update physical/raft/raft.go
* Move pending raft peers to core
* Fix race on close bool
* Extend the leaderlease time for tests
* Update raft deps
* Fix audit hashing
* Fix race with auditing
