Implement list breaking changes note endpoint for web_api

[khanhtc1202]

What this PR does / why we need it:

Which issue(s) this PR fixes:

Part of #5197

Does this PR introduce a user-facing change?:

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 54 lines in your changes missing coverage. Please review.

Project coverage is 22.83%. Comparing base (9f5bd67) to head (77648d4).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/app/server/grpcapi/web_api.go	0.00%	54 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5199      +/-   ##
==========================================
- Coverage   22.84%   22.83%   -0.02%     
==========================================
  Files         420      420              
  Lines       45249    45302      +53     
==========================================
+ Hits        10338    10344       +6     
- Misses      34116    34163      +47     
  Partials      795      795              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.