list/watch CRD requests in multiplexer

[villanel]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind feature

What this PR does / why we need it:

Add List/Watch CRD requests in multiplexer

Which issue(s) this PR fixes:

Fixes #2343

Special notes for your reviewer:

/assign @rambohe-ch

Does this PR introduce a user-facing change?

NONE

other Note

[codecov]

Codecov Report

Attention: Patch coverage is 72.89157% with 45 lines in your changes missing coverage. Please review.

Project coverage is 42.43%. Comparing base (e4459ee) to head (7ac2905).

Files with missing lines	Patch %	Lines
pkg/yurthub/multiplexer/storage/fake_storage.go	0.00%	30 Missing ⚠️
pkg/yurthub/multiplexer/storage/dynamic_storage.go	79.59%	6 Missing and 4 partials ⚠️
...multiplexer/storage/api_server_storage_provider.go	88.23%	3 Missing and 1 partial ⚠️
...rthub/multiplexer/storage/fake_storage_provider.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2382      +/-   ##
==========================================
+ Coverage   42.29%   42.43%   +0.13%     
==========================================
  Files         394      395       +1     
  Lines       26107    26246     +139     
==========================================
+ Hits        11043    11138      +95     
- Misses      14007    14044      +37     
- Partials     1057     1064       +7     

Flag	Coverage Δ
unittests	42.43% <72.89%> (+0.13%)	⬆️

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[sonarqubecloud]

Quality Gate failed

Failed conditions
1 Security Hotspot

See analysis details on SonarQube Cloud