Update to Go 1.20

Signed-off-by: Brendan Shephard <[email protected]>

.ci-operator.yaml

@@ -1,4 +1,4 @@
 build_root_image:
   name: tools
   namespace: openstack-k8s-operators
-  tag: ci-build-root-golang-1.19-sdk-1.31
+  tag: ci-build-root-golang-1.20-sdk-1.31

.github/workflows/build-heat-operator.yaml

@@ -15,7 +15,7 @@ jobs:
     uses: openstack-k8s-operators/openstack-k8s-operators-ci/.github/workflows/reusable-build-operator.yaml@main
     with:
       operator_name: heat
-      go_version: 1.19.x
+      go_version: 1.20.x
       operator_sdk_version: 1.31.0
     secrets:
       IMAGENAMESPACE: ${{ secrets.IMAGENAMESPACE }}

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-ARG GOLANG_BUILDER=registry.access.redhat.com/ubi9/go-toolset:1.19
+ARG GOLANG_BUILDER=registry.access.redhat.com/ubi9/go-toolset:1.20
 ARG OPERATOR_BASE_IMAGE=registry.access.redhat.com/ubi9/ubi-minimal:latest
 
 FROM $GOLANG_BUILDER as builder