Mac L fd55373b88 Add new VC metrics for beacon node availability (#3193) ... ## Issue Addressed #3154 ## Proposed Changes Add three new metrics for the VC: 1. `vc_beacon_nodes_synced_count` 2. `vc_beacon_nodes_available_count` 3. `vc_beacon_nodes_total_count` Their values mirror the values present in the following log line: ``` Apr 08 17:25:17.000 INFO Connected to beacon node(s) synced: 4, available: 4, total: 4, service: notifier ```		2022-05-26 02:05:16 +00:00
..
slashing_protection	Replace OpenOptions::new with File::options to be readable (#3059)	2022-03-07 06:30:18 +00:00
src	Add new VC metrics for beacon node availability (#3193)	2022-05-26 02:05:16 +00:00
Cargo.toml	Update and consolidate dependencies (#3136)	2022-04-04 00:26:16 +00:00