containers: add epel for centos 10

On CentOS 10, oVirt packages can depend on EPEL packages.
Therefor enable epel-release in the container.

Signed-off-by: Jean-Louis Dupond <jean-louis@dupond.be>

Author: dupondje

containers/centos-10.containerfile

@@ -8,6 +8,7 @@ RUN echo v1 \
     && dnf install -y dnf-plugins-core \
     && dnf copr enable -y ovirt/ovirt-master-snapshot centos-stream-10 \
     && dnf install -y ovirt-release-master \
+    && dnf install -y epel-release \
     && dnf install -y \
         createrepo_c \
         e2fsprogs \