Update to Go 1.21

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-1.21-sdk-1.31

.github/workflows/build-swift-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: swift
-      go_version: 1.19.x
+      go_version: 1.21.x
       operator_sdk_version: 1.31.0
     secrets:
       IMAGENAMESPACE: ${{ secrets.IMAGENAMESPACE }}

Dockerfile

@@ -1,4 +1,4 @@
-ARG GOLANG_BUILDER=golang:1.19
+ARG GOLANG_BUILDER=golang:1.21
 ARG OPERATOR_BASE_IMAGE=gcr.io/distroless/static:nonroot
 
 # Build the manager binary
@@ -52,16 +52,16 @@ ARG IMAGE_TAGS="cn-openstack openstack"
 
 # Labels required by upstream and osbs build system
 LABEL com.redhat.component="${IMAGE_COMPONENT}" \
-      name="${IMAGE_NAME}" \
-      version="${IMAGE_VERSION}" \
-      summary="${IMAGE_SUMMARY}" \
-      io.k8s.name="${IMAGE_NAME}" \
-      io.k8s.description="${IMAGE_DESC}" \
-      io.openshift.tags="${IMAGE_TAGS}"
+	name="${IMAGE_NAME}" \
+	version="${IMAGE_VERSION}" \
+	summary="${IMAGE_SUMMARY}" \
+	io.k8s.name="${IMAGE_NAME}" \
+	io.k8s.description="${IMAGE_DESC}" \
+	io.openshift.tags="${IMAGE_TAGS}"
 ### DO NOT EDIT LINES ABOVE
 
 ENV USER_UID=$USER_ID \
-    OPERATOR_TEMPLATES=/usr/share/swift-operator/templates/
+	OPERATOR_TEMPLATES=/usr/share/swift-operator/templates/
 
 WORKDIR /