UPSTREAM: <carry>: Switch to dnf in Openshift handler image

Signed-off-by: Christoph Stäbler <cstabler@redhat.com>
(cherry picked from commit 6612de2)
(cherry picked from commit da4ab74)
(cherry picked from commit a53ca45)
(cherry picked from commit 24267ed)
(cherry picked from commit 4aa6e19)
(cherry picked from commit 3af5b7c)
(cherry picked from commit b095b4f)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 630276c)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 4456104)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
(cherry picked from commit 9f2eb3f)
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>

build/Dockerfile.openshift

@@ -6,12 +6,12 @@ RUN GO111MODULE=on go build --mod=vendor -o build/_output/bin/manager ./cmd/hand
 FROM registry.ci.openshift.org/ocp/4.10:base
 
 RUN \
-    microdnf -y update && \
-    microdnf -y install \
+    dnf -y update && \
+    dnf -y install \
         nmstate \
         iputils \
         iproute && \
-    microdnf clean all
+    dnf clean all
 
 
 COPY --from=builder /go/src/github.com/openshift/kubernetes-nmstate/build/_output/bin/manager  /usr/bin/