Add support for EL10

* Upadate dev container to use EL10
* Update CI to use EL10
* Update spec file for EL10
* Add `make rpm` target for building RPMs
* Use `mktemp` for `make dist` to use devcontainer filesystem
* Set default dhcpd and tftpd to dnsmasq for EL10
* Fix dnsmasq template tftp paths to use basename

Signed-off-by: Timothy Middelkoop <tmiddelkoop@internet2.edu>

warewulf.spec.in

@@ -50,7 +50,9 @@ BuildRequires: system-release
 BuildRequires: systemd
 BuildRequires: golang >= 1.16
 BuildRequires: firewalld-filesystem
+%if ! (0%{?rhel} >= 10)
 Requires: tftp-server
+%endif
 Requires: nfs-utils
 %if 0%{?rhel} < 8
 Requires: ipxe-bootimgs
@@ -60,12 +62,16 @@ Requires: ipxe-bootimgs-aarch64
 %endif
 %endif
 
+%if 0%{?rhel} >= 10
+Requires: dnsmasq
+%else
 %if 0%{?rhel} >= 8 || 0%{?suse_version} || 0%{?fedora}
 Requires: dhcp-server
 %else
-# rhel < 8
+# rhel < 8 and others
 Requires: dhcp
 %endif
+%endif
 
 BuildRequires: git
 BuildRequires: make
@@ -116,6 +122,14 @@ export NO_BRP_STALE_LINK_ERROR=yes
 make install \
     DESTDIR=%{buildroot}
 
+%if 0%{?rhel} >= 10
+sed -i '
+  s/systemd name: dhcpd/systemd name: dnsmasq/
+  s/systemd name: tftp/systemd name: dnsmasq/
+  /- dsa/d' \
+  -i %{buildroot}%{_sysconfdir}/warewulf/warewulf.conf
+%endif
+
 %if 0%{?suse_version} || 0%{?sle_version}
 yq e '
   .tftp.ipxe."00:00" = "undionly.kpxe" |