Add ListDeprecatedNotes endpoint to 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 4 lines in your changes missing coverage. Please review.

Project coverage is 22.86%. Comparing base (ac32fda) to head (7bc2ca4).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/app/server/grpcapi/web_api.go	0.00%	2 Missing ⚠️
...g/app/server/service/webservice/service.pb.auth.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5198   +/-   ##
=======================================
  Coverage   22.85%   22.86%           
=======================================
  Files         420      420           
  Lines       45245    45249    +4     
=======================================
+ Hits        10340    10344    +4     
- Misses      34109    34110    +1     
+ Partials      796      795    -1     

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[Warashi]

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[ffjlabo]

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