rename pool-coordinator to yurt-coordinator for controller

[JameKeal]

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 feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind feature

What this PR does / why we need it:

Unify the naming rules of each component in openyurtio/openyurt repo, it is more understandable for end users.

Which issue(s) this PR fixes:

Fixes #1482

Special notes for your reviewer:

/assign @rambohe-ch

Does this PR introduce a user-facing change?

other Note

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In response to this:

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 feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind feature

What this PR does / why we need it:

Unify the naming rules of each component in openyurtio/openyurt repo, it is more understandable for end users.

Which issue(s) this PR fixes:

Fixes #1482

Special notes for your reviewer:

/assign @rambohe-ch

Does this PR introduce a user-facing change?

other Note

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[codecov]

Codecov Report

Merging #1531 (e04c829) into master (2ddaf25) will not change coverage.
The diff coverage is 25.39%.

❗ Current head e04c829 differs from pull request most recent head e6b5522. Consider uploading reports for the commit e6b5522 to get more accurate results

@@           Coverage Diff           @@
##           master    #1531   +/-   ##
=======================================
  Coverage   50.51%   50.51%           
=======================================
  Files         133      133           
  Lines       15819    15819           
=======================================
  Hits         7991     7991           
  Misses       7096     7096           
  Partials      732      732           

Flag	Coverage Δ
unittests	50.51% <25.39%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/controller/yurtcoordinator/cert/secret.go	75.00% <ø> (ø)
...rdinator/delegatelease/delegatelease_controller.go	22.48% <ø> (ø)
pkg/controller/yurtcoordinator/utils/lease.go	100.00% <ø> (ø)
pkg/controller/yurtcoordinator/utils/taints.go	100.00% <ø> (ø)
...coordinator/cert/yurtcoordinatorcert_controller.go	11.94% <8.69%> (ø)
pkg/controller/yurtcoordinator/cert/certificate.go	49.16% <54.54%> (ø)
...g/controller/csrapprover/csrapprover_controller.go	26.84% <100.00%> (ø)
pkg/controller/yurtcoordinator/cert/util.go	87.50% <100.00%> (ø)

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
7 Code Smells

No Coverage information
0.1% Duplication

[openyurt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JameKeal, rambohe-ch

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Needs approval from an approver in each of these files:

• OWNERS [rambohe-ch]

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[rambohe-ch]

/lgtm