KEP-3466: update beta graduation requirements

Author: Han Kang

keps/prod-readiness/sig-instrumentation/3466.yaml

@@ -4,3 +4,5 @@
 kep-number: 3466
 alpha:
   approver: "@wojtek-t"
+beta:
+  approver: "@wojtek-t"

keps/sig-instrumentation/3466-kubernetes-component-health-slis/README.md

@@ -128,20 +128,20 @@ checklist items _must_ be updated for the enhancement to be released.
 
 Items marked with (R) are required *prior to targeting to a milestone / release*.
 
-- [ ] (R) Enhancement issue in release milestone, which links to KEP dir in [kubernetes/enhancements] (not the initial KEP PR)
-- [ ] (R) KEP approvers have approved the KEP status as `implementable`
-- [ ] (R) Design details are appropriately documented
-- [ ] (R) Test plan is in place, giving consideration to SIG Architecture and SIG Testing input (including test refactors)
-  - [ ] e2e Tests for all Beta API Operations (endpoints)
-  - [ ] (R) Ensure GA e2e tests meet requirements for [Conformance Tests](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/conformance-tests.md) 
-  - [ ] (R) Minimum Two Week Window for GA e2e tests to prove flake free
+- [X] (R) Enhancement issue in release milestone, which links to KEP dir in [kubernetes/enhancements] (not the initial KEP PR)
+- [X] (R) KEP approvers have approved the KEP status as `implementable`
+- [X] (R) Design details are appropriately documented
+- [X] (R) Test plan is in place, giving consideration to SIG Architecture and SIG Testing input (including test refactors)
+  - [X] e2e Tests for all Beta API Operations (endpoints)
+  - [X] (R) Ensure GA e2e tests meet requirements for [Conformance Tests](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/conformance-tests.md) 
+  - [X] (R) Minimum Two Week Window for GA e2e tests to prove flake free
 - [ ] (R) Graduation criteria is in place
   - [ ] (R) [all GA Endpoints](https://github.com/kubernetes/community/pull/1806) must be hit by [Conformance Tests](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/conformance-tests.md) 
-- [ ] (R) Production readiness review completed
+- [X] (R) Production readiness review completed
 - [ ] (R) Production readiness review approved
-- [ ] "Implementation History" section is up-to-date for milestone
-- [ ] User-facing documentation has been created in [kubernetes/website], for publication to [kubernetes.io]
-- [ ] Supporting documentation—e.g., additional design documents, links to mailing list discussions/SIG meetings, relevant PRs/issues, release notes
+- [X] "Implementation History" section is up-to-date for milestone
+- [X] User-facing documentation has been created in [kubernetes/website], for publication to [kubernetes.io]
+- [X] Supporting documentation—e.g., additional design documents, links to mailing list discussions/SIG meetings, relevant PRs/issues, release notes
 
 <!--
 **Note:** This checklist is iterative and should be reviewed and updated every time this enhancement is being considered for a milestone.
@@ -250,13 +250,13 @@ without any issues.
 
 ##### Integration tests
 
-- [ ] ensure existence of healthcheck endpoint (beta requirement)
+- [X] ensure existence of healthcheck endpoint (beta requirement)
 
 - <test>: <link to test coverage>
 
 ##### e2e tests
 
-- [ ] ensure existence of healthcheck endpoint (beta requirement)
+- [X] ensure existence of healthcheck endpoint (beta requirement)
 
 - <test>: <link to test coverage>
 
@@ -337,7 +337,7 @@ We will target this feature behind a flag `ComponentSLIs`
 ###### How can this feature be enabled / disabled in a live cluster?
 
 
-- [ ] Feature gate (also fill in values in `kep.yaml`)
+- [X] Feature gate (also fill in values in `kep.yaml`)
   - Feature gate name: `ComponentSLIs`
   - Components depending on the feature gate:
     + apiserver