Update component-base OWNERS to include SIG-Architecture

Also update OWNERS in subdirs based on best-guess picks of appropriate
OWNERS. We can update as necessary in future iterations but this'll help
reduce initial noise for SIG-Arch.

staging/src/k8s.io/component-base/OWNERS

@@ -1,20 +1,21 @@
 # See the OWNERS docs at https://go.k8s.io/owners
 
 approvers:
-- mtaufen
-- stealthybox
-- luxas
-- sttts
-- lavalamp
+- sig-architecture-approvers
 reviewers:
-- luxas
-- sttts
-- stewart-yu
-- dims
-- dixudx
-- rosti
+- sig-architecture-approvers
 emeritus_approvers:
 - jbeda
+- lavalamp
+- luxas
+- mtaufen
+- stealthybox
+- sttts
+emeritus_reviewers:
+- dixudx
+- rosti
+- stewart-yu
 labels:
+- sig/architecture
 - sig/cluster-lifecycle
 - sig/api-machinery

staging/src/k8s.io/component-base/cli/OWNERS

@@ -0,0 +1,12 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+# Currently assigned cli to sig-cli since:
+# (a) its literally named "cli"
+# (b) flags are the bread-and-butter of cli tools.
+
+approvers:
+- sig-cli-maintainers
+reviewers:
+- sig-cli
+labels:
+- sig/cli

staging/src/k8s.io/component-base/codec/OWNERS

@@ -0,0 +1,11 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+# Currently assigned codec to sig-api-machinery since its used for encoding/
+# decoding KRM style manifests.
+
+approvers:
+- sig-api-machinery-api-approvers
+reviewers:
+- sig-api-machinery-api-reviewers
+labels:
+- sig/api-machinery

staging/src/k8s.io/component-base/config/OWNERS

@@ -7,8 +7,11 @@ approvers:
 - api-approvers
 reviewers:
 - api-reviewers
+emeritus_reviewers:
 - luxas
 - mtaufen
 - sttts
 labels:
 - kind/api-change
+- sig/api-machinery
+- sig/scheduling

staging/src/k8s.io/component-base/configz/OWNERS

@@ -0,0 +1,17 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+# For lack of a better idea, assigned configz to api-approvers because
+# configz is an API that has been around for a long time, even if we don't
+# guarantee its stability.
+
+# Disable inheritance as this is an api owners file
+options:
+  no_parent_owners: true
+approvers:
+- api-approvers
+reviewers:
+- api-reviewers
+
+labels:
+- kind/api-change
+- sig/cluster-lifecycle

staging/src/k8s.io/component-base/featuregate/OWNERS

@@ -0,0 +1,17 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+# Currently assigned to api-approvers since feature gates are the API
+# for enabling/disabling other APIs.
+
+# Disable inheritance as this is an api owners file
+options:
+  no_parent_owners: true
+approvers:
+- api-approvers
+reviewers:
+- api-reviewers
+
+labels:
+- kind/api-change
+- sig/api-machinery
+- sig/cluster-lifecycle

staging/src/k8s.io/component-base/term/OWNERS

@@ -0,0 +1,12 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+# Currently assigned this directory to sig-cli since the main use of
+# term seems to be for getting terminal size when printing help text.
+
+approvers:
+- sig-cli-maintainers
+reviewers:
+- sig-cli
+
+labels:
+- sig/cli

staging/src/k8s.io/component-base/version/OWNERS

@@ -0,0 +1,17 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+# Currently assigned this directory to sig-api-machinery since this is
+# an interface to the version definition in "k8s.io/apimachinery/pkg/version",
+# and also to sig-release since this version information is set up for
+# each release.
+
+approvers:
+- sig-api-machinery-api-approvers
+- release-engineering-approvers
+reviewers:
+- sig-api-machinery-api-reviewers
+- release-engineering-reviewers
+
+labels:
+- sig/api-machinery
+- sig/release