Prepares for 4.20 release

Author: wgahnagl

build/Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.23-openshift-4.19 as build
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.23-openshift-4.20 as build
 
 LABEL stage=build
 

build/Dockerfile.base

@@ -1,4 +1,4 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.23-openshift-4.19 as build
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.23-openshift-4.20 as build
 LABEL stage=build
 
 # Silence go compliance shim output

build/Dockerfile.ci

@@ -3,7 +3,7 @@
 # building the operator from the PR source without using the operator-sdk.
 
 # build stage for building binaries
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.23-openshift-4.19 as build
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.23-openshift-4.20 as build
 LABEL stage=build
 WORKDIR /build/
 
@@ -133,7 +133,7 @@ RUN make build-daemon
 #│   └── windows-exporter-webconfig.yaml
 #└── windows-instance-config-daemon.exe
 
-FROM registry.ci.openshift.org/openshift/release:rhel-9-release-golang-1.23-openshift-4.19
+FROM registry.ci.openshift.org/openshift/release:rhel-9-release-golang-1.23-openshift-4.20
 LABEL stage=operator
 
 WORKDIR /payload/

build/Dockerfile.wmco

@@ -1,4 +1,4 @@
-FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.23-openshift-4.19 as build
+FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.23-openshift-4.20 as build
 LABEL stage=build
 
 # Silence go compliance shim output

bundle.Dockerfile

@@ -15,7 +15,7 @@ LABEL com.redhat.delivery.operator.bundle=true
 
 # This second label tells the pipeline which versions of OpenShift the operator supports.
 # This is used to control which index images should include this operator.
-LABEL com.redhat.openshift.versions="=v4.19"
+LABEL com.redhat.openshift.versions="=v4.20"
 
 # This third label tells the pipeline that this operator should *also* be supported on OCP 4.4 and
 # earlier.  It is used to control whether or not the pipeline should attempt to automatically