Install kernel-modules in warewulf rocky-8 image

Without the kernel-modules package installed I was not able to use apptainer, as squashfs was not available.

containers/Docker/rocky-8

@@ -11,6 +11,7 @@ RUN dnf update -y ;\
     ipmitool \
     iproute \
     kernel-core \
+    kernel-modules \
     net-tools \
     network-scripts \
     nfs-utils \
@@ -43,4 +44,4 @@ RUN sed -i -e '/^account.*pam_unix\.so\s*$/s/\s*$/\ broken_shadow/' /etc/pam.d/s
     echo "export LANG LC_CTYPE" >> /etc/warewulf/container_exit.sh ;\
     echo "dnf clean all" >> /etc/warewulf/container_exit.sh ;\
     echo "/boot/" > /etc/warewulf/excludes ;\
-    echo "/usr/share/GeoIP" >> /etc/warewulf/excludes
+    echo "/usr/share/GeoIP" >> /etc/warewulf/excludes