Merge pull request 'forgejo: also reroute ssh traffic for ipv6' (#139) from forgejo/reroute-ssh-ipv6 into main

Reviewed-on: #139
Reviewed-by: Hendrik Sokolowski <hensoko@noreply.git.pub.solar>

hosts/nachtigall/apps/forgejo.nix

@@ -58,6 +58,7 @@
   networking.firewall.interfaces.enp35s0.allowedTCPPorts = [ 2223 ];
   networking.firewall.extraCommands = ''
     iptables -t nat -i enp35s0 -I PREROUTING -p tcp --dport 22 -j REDIRECT --to-ports 2223
+    ip6tables -t nat -i enp35s0 -I PREROUTING -p tcp --dport 22 -j REDIRECT --to-ports 2223
   '';
 
   services.forgejo = {