feat(relayer): Add improved logging/prometheus events for testnet

[cyberhorsey]

This adds some logging and new events to help us in the upcoming testnet.

Once this is merged, we need to change the Kuberentes image to alpha-2, or we need to merge this to main.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (alpha-2@eb2faf7). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             alpha-2   #13368   +/-   ##
==========================================
  Coverage           ?   35.29%           
==========================================
  Files              ?      122           
  Lines              ?     3700           
  Branches           ?      509           
==========================================
  Hits               ?     1306           
  Misses             ?     2304           
  Partials           ?       90           

Flag	Coverage Δ		*Carryforward flag
bridge-ui	95.69% <0.00%> (?)		Carriedforward from 1b93453
protocol	0.00% <0.00%> (?)		Carriedforward from 1b93453
relayer	62.34% <0.00%> (?)
ui	100.00% <0.00%> (?)		Carriedforward from 1b93453

*This pull request uses carry forward flags. Click here to find out more.

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more