Add epel-release and makeself to Dockerfile dependencies

rockylinux9/Dockerfile

@@ -20,6 +20,9 @@ RUN dnf install --assumeyes --enablerepo=crb \
         pkgconf-pkg-config \
         tar \
         xz \
+        epel-release \
+    && dnf install --assumeyes \
+        makeself \
     && dnf clean all \
     && rm -rf /var/cache/dnf