node: memmgr: tick missing checkboxes

With the caveat already mentioned about appliability of conformance
tests (memory manager has no API endpoint to validate, so we
must check the behavior with e2e tests), tick the missing checkboxes.

Signed-off-by: Francesco Romani <[email protected]>

Author: ffromani

keps/sig-node/1769-memory-manager/README.md

@@ -73,11 +73,11 @@ Items marked with (R) are required *prior to targeting to a milestone / release*
 - [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)
-  - [ ] 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] 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
 - [x] (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)
+  - [x] (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)
 - [x] (R) Production readiness review completed
 - [x] Production readiness review approved
 - [x] "Implementation History" section is up-to-date for milestone