Update k8s-infra-prow groups, add prow OWNERS files

Specifically

- k8s-infra-prow-oncall
  - reconcile membership with test-infra-oncall
  - reconcile membership with sig-testing-leads
- k8s-infra-prow-viewers
  - replace scalability-oncall members with group
- prow OWNERS files
  - reviewers: approvers + test-infra-oncall + releng reviewers
  - cluster approvers: sig-testing-leads + ameukam
  - bash approvers: wg-k8s-infra-org-admins

There is prow-related stuff littered in many of the infra/gcp scripts,
so to get things to a point where k8s-infra-prow-oncall members can
approve and run prow-related script changes is going to require more
of a refactor than is relevant to the scope of this PR

OWNERS_ALIASES

@@ -241,4 +241,18 @@ aliases:
     - saschagrunert # subproject owner / Release Manager / SIG Chair
     - tpepper # subproject owner
     - xmudrii # Release Manager
+  # business hours oncall for prow etc (https://go.k8s.io/oncall)
+  test-infra-oncall:
+    - chaodaiG
+    - chases2
+    - cjwagner
+    - e-blackwelder
+    - fejta
+    - michelle192837
+  # people with sufficient privileges to run scripts in /infra/gcp
+  wg-k8s-infra-org-admins:
+    - cblecker
+    - dims
+    - spiffxp
+    - thockin
 ## END CUSTOM CONTENT

groups/groups.yaml

@@ -651,17 +651,20 @@ groups:
     members:
       # test-infra-oncall
       - [email protected]
-      - [email protected]
-      - [email protected]
+      - [email protected]
       - [email protected]
       - [email protected]
       - [email protected]
       - [email protected]
-      # wg-k8s-infra-oncall
+      # sig-testing leads
+      - [email protected]
+      - [email protected]
+      - [email protected]
+      - [email protected]
+      # wg-k8s-infra members
       - [email protected]
       - [email protected]
       - [email protected]
-      - [email protected]
       - [email protected]
 
   - email-id: [email protected]
@@ -691,14 +694,7 @@ groups:
       - [email protected]
       - [email protected]
       - [email protected]
-      # sig-scalability
-      - [email protected]
-      - [email protected]
-      - [email protected]
-      - [email protected]
-      - [email protected]
-      - [email protected]
-      - [email protected]
+      - [email protected]
 
   - email-id: [email protected]
     name: k8s-infra-sig-scalability-oncall

infra/gcp/clusters/projects/k8s-infra-prow-build-trusted/OWNERS

@@ -0,0 +1,13 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+reviewers:
+- sig-testing-leads
+- release-engineering-reviewers
+- test-infra-oncall
+approvers:
+- sig-testing-leads
+- ameukam
+
+labels:
+- area/prow
+- sig/testing

infra/gcp/clusters/projects/k8s-infra-prow-build/OWNERS

@@ -0,0 +1,13 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+reviewers:
+- sig-testing-leads
+- release-engineering-reviewers
+- test-infra-oncall
+approvers:
+- sig-testing-leads
+- ameukam
+
+labels:
+- area/prow
+- sig/testing

infra/gcp/prow/OWNERS

@@ -0,0 +1,13 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+reviewers:
+- sig-testing-leads
+- release-engineering-reviewers
+- test-infra-oncall
+approvers:
+- sig-testing-leads
+- ameukam
+
+labels:
+- area/prow
+- sig/testing