k3s: add ipset runtime dependency

Fixes #176445

The included change to the k3s test fails without the package change.

nixos/tests/k3s/single-node.nix

@@ -77,6 +77,9 @@ import ../make-test-python.nix ({ pkgs, lib, k3s, ... }:
       machine.succeed("k3s kubectl wait --for 'condition=Ready' pod/test")
       machine.succeed("k3s kubectl delete -f ${testPodYaml}")
 
+      # regression test for #176445
+      machine.fail("journalctl -o cat -u k3s.service | grep 'ipset utility not found'")
+
       machine.shutdown()
     '';
   })

pkgs/applications/networking/cluster/k3s/1_23/default.nix

@@ -4,6 +4,7 @@
 , socat
 , iptables
 , iproute2
+, ipset
 , bridge-utils
 , btrfs-progs
 , conntrack-tools
@@ -249,6 +250,7 @@ buildGoModule rec {
     socat
     iptables
     iproute2
+    ipset
     bridge-utils
     ethtool
     util-linux # kubelet wants 'nsenter' from util-linux: https://github.com/kubernetes/kubernetes/issues/26093#issuecomment-705994388

pkgs/applications/networking/cluster/k3s/1_24/default.nix

@@ -4,6 +4,7 @@
 , socat
 , iptables
 , iproute2
+, ipset
 , bridge-utils
 , btrfs-progs
 , conntrack-tools
@@ -249,6 +250,7 @@ buildGoModule rec {
     socat
     iptables
     iproute2
+    ipset
     bridge-utils
     ethtool
     util-linux # kubelet wants 'nsenter' from util-linux: https://github.com/kubernetes/kubernetes/issues/26093#issuecomment-705994388

pkgs/applications/networking/cluster/k3s/1_25/default.nix

@@ -4,6 +4,7 @@
 , socat
 , iptables
 , iproute2
+, ipset
 , bridge-utils
 , btrfs-progs
 , conntrack-tools
@@ -249,6 +250,7 @@ buildGoModule rec {
     socat
     iptables
     iproute2
+    ipset
     bridge-utils
     ethtool
     util-linux # kubelet wants 'nsenter' from util-linux: https://github.com/kubernetes/kubernetes/issues/26093#issuecomment-705994388

pkgs/applications/networking/cluster/k3s/1_26/default.nix

@@ -4,6 +4,7 @@
 , socat
 , iptables
 , iproute2
+, ipset
 , bridge-utils
 , btrfs-progs
 , conntrack-tools
@@ -249,6 +250,7 @@ buildGoModule rec {
     socat
     iptables
     iproute2
+    ipset
     bridge-utils
     ethtool
     util-linux # kubelet wants 'nsenter' from util-linux: https://github.com/kubernetes/kubernetes/issues/26093#issuecomment-705994388