feat(relayer): relayer events for prometheus metrics

[cyberhorsey]

No description provided.

[codecov]

Codecov Report

Merging #13240 (8a6a429) into update_relayer_bindings (0b196a6) will decrease coverage by 0.04%.
The diff coverage is 25.00%.

❗ Current head 8a6a429 differs from pull request most recent head d86c315. Consider uploading reports for the commit d86c315 to get more accurate results

@@                     Coverage Diff                     @@
##           update_relayer_bindings   #13240      +/-   ##
===========================================================
- Coverage                    61.85%   61.81%   -0.04%     
===========================================================
  Files                          117      117              
  Lines                         3442     3449       +7     
  Branches                       483      483              
===========================================================
+ Hits                          2129     2132       +3     
- Misses                        1231     1233       +2     
- Partials                        82       84       +2     

Flag	Coverage Δ		*Carryforward flag
bridge-ui	94.33% <ø> (ø)		Carriedforward from 0b196a6
protocol	52.55% <ø> (ø)		Carriedforward from 0b196a6
relayer	65.33% <25.00%> (-0.13%)	⬇️
ui	100.00% <ø> (ø)		Carriedforward from 0b196a6

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

Impacted Files	Coverage Δ
packages/relayer/indexer/filter_then_subscribe.go	23.25% <0.00%> (-0.28%)	⬇️
packages/relayer/message/process_message.go	56.56% <28.57%> (-2.58%)	⬇️
packages/relayer/http/server.go	96.47% <0.00%> (+2.35%)	⬆️

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