[ci] promote kevin to reviewer (ray-project#46514)

to load balance the review load

Signed-off-by: Lonnie Liu <[email protected]>

.github/CODEOWNERS

@@ -110,18 +110,18 @@
 # ==== Build and CI ====
 
 # Bazel.
-#/BUILD.bazel @ray-project/ray-core @ray-project/ray-ci-reviewers
-#/WORKSPACE @ray-project/ray-core @ray-project/ray-ci-reviewers
-#/bazel/ @ray-project/ray-core @ray-project/ray-ci-reviewers
+#/BUILD.bazel @ray-project/ray-core @ray-project/ray-ci
+#/WORKSPACE @ray-project/ray-core @ray-project/ray-ci
+#/bazel/ @ray-project/ray-core @ray-project/ray-ci
 
 # CI scripts.
-#/ci/ @ray-project/ray-core @ray-project/ray-ci-reviewers
+#/ci/ @ray-project/ray-core @ray-project/ray-ci
 
 # Buildkite pipeline management
-.buildkite/hooks @ray-project/ray-ci-reviewers
+.buildkite/hooks @ray-project/ray-ci
 
-/release/ray_release @ray-project/ray-ci-reviewers
+/release/ray_release @ray-project/ray-ci
 
 /.github/ISSUE_TEMPLATE/ @ericl @stephanie-wang @scv119 @pcmoritz
 
-/.github/workflows/ @ray-project/ray-ci-reviewers
+/.github/workflows/ @ray-project/ray-ci