fix(deps): update module github.com/urfave/cli/v2 to v3

cli/certs.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/urfave/cli/v2"
+	"github.com/urfave/cli/v3"
 )
 
 var Certs = &cli.Command{

cli/flags.go

@@ -1,7 +1,7 @@
 package cli
 
 import (
-	"github.com/urfave/cli/v2"
+	"github.com/urfave/cli/v3"
 )
 
 var (

cli/setup.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 
 	"github.com/rs/zerolog/log"
-	"github.com/urfave/cli/v2"
+	"github.com/urfave/cli/v3"
 
 	"codeberg.org/codeberg/pages/server/database"
 	"codeberg.org/codeberg/pages/server/version"