[Release-1.20] Add cert rotation command (#4633)

* Add cert rotation command (#4495)

* Add cert rotation command

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* add function to check for dynamic listener file

Signed-off-by: Brian Downs <brian.downs@gmail.com>

* Add dynamiclistener cert rotation support

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* fixes to the cert rotation

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* fix ci tests

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* fixes to certificate rotation command

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* more fixes

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

Co-authored-by: Brian Downs <brian.downs@gmail.com>

* Upgrade dynamic listener

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

* go mod tidy

Signed-off-by: galal-hussein <hussein.galal.ahmed.11@gmail.com>

Co-authored-by: Brian Downs <brian.downs@gmail.com>

cmd/server/main.go

@@ -7,6 +7,7 @@ import (
 	"github.com/docker/docker/pkg/reexec"
 	crictl2 "github.com/kubernetes-sigs/cri-tools/cmd/crictl"
 	"github.com/rancher/k3s/pkg/cli/agent"
+	"github.com/rancher/k3s/pkg/cli/cert"
 	"github.com/rancher/k3s/pkg/cli/cmds"
 	"github.com/rancher/k3s/pkg/cli/crictl"
 	"github.com/rancher/k3s/pkg/cli/ctr"
@@ -50,6 +51,10 @@ func main() {
 				etcdsnapshot.Prune,
 				etcdsnapshot.Run),
 		),
+		cmds.NewCertCommand(
+			cmds.NewCertSubcommands(
+				cert.Run),
+		),
 	}
 
 	err := app.Run(configfilearg.MustParse(os.Args))