feat(debug-ui): extend epoch info api #10170

Job	Run time
Database Migration	3m 10s
Protobuf Backward Compatibility	12s
Cargo Fmt	20s
Themis	38s
Cargo Nextest (Linux)	3m 9s
Cargo Clippy	3m 11s
Cargo Nextest (Linux Nightly)	3m 2s
Rust Doctests	3m 7s
Protocol Schema	3m 22s
Backward Compatibility	3m 8s
Genesis Changes	3m 3s
Sanity Checks	2m 46s
Style	34s
Upgradability	3m 3s
spellcheck	23s
Cargo Audit	25s
Cargo Deny	34s
Non-default Configuration Builds	1m 18s
Unused Dependencies	2m 49s
Cargo check publishable packages separately (Linux, linux, ubuntu-latest)	3m 21s
Cargo check publishable packages separately (Windows, win, windows-latest)	1m 35s
Generate Coverage Artifact	1s
Upload Coverage	1s
	43m 12s

Provide feedback