feat(valkey): address review comments

relates to STACKITTPR-845

Author: GokceGK

internal/cmd/redis/redis.go

@@ -15,7 +15,7 @@ import (
 func NewCmd(params *types.CmdParams) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:        "redis",
-		Deprecated: "\nRedis commands `stackit redis` have been deprecated and will be removed after 2027-08-31. Please use Key Value Store (valkey) commands `stackit valkey` instead.",
+		Deprecated: "\nRedis commands \"stackit redis\" have been deprecated and will be removed after 2027-08-31. Please use Key Value Store (valkey) commands \"stackit valkey\" instead.",
 		Short:      "Provides functionality for Redis",
 		Long:       "Provides functionality for Redis.",
 		Args:       args.NoArgs,