feat: check eventbus health

[ifplusor]

What problem does this PR solve?

Issue Number: close None

Problem Summary

What is changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

[codecov]

Codecov Report

Merging #624 (4b2b1bd) into main (ee76217) will decrease coverage by 3.26%.
Report is 86 commits behind head on main.
The diff coverage is 44.69%.

@@            Coverage Diff             @@
##             main     #624      +/-   ##
==========================================
- Coverage   57.07%   53.81%   -3.26%     
==========================================
  Files         190      225      +35     
  Lines       15191    18160    +2969     
==========================================
+ Hits         8670     9773    +1103     
- Misses       5884     7589    +1705     
- Partials      637      798     +161     

Files Changed	Coverage
internal/controller/trigger/storage/storage.go	ø
...l/controller/trigger/subscription/offset/offset.go	ø
...al/controller/trigger/subscription/subscription.go	ø
...rnal/controller/trigger/validation/subscription.go	ø
internal/controller/trigger/worker/manager.go	ø
internal/controller/trigger/worker/policy.go	ø
internal/controller/trigger/worker/scheduler.go	ø
internal/controller/trigger/worker/worker.go	ø
internal/gateway/config.go	ø
internal/gateway/gateway.go	ø
... and 63 more

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b1a564e...4b2b1bd. Read the comment docs.