fix lint errors

Author: reversearrow

cmd/validate/main.go

@@ -9,9 +9,10 @@ import (
 
 	"github.com/dlclark/regexp2"
 	"github.com/pb33f/libopenapi"
+	"github.com/santhosh-tekuri/jsonschema/v6"
+
 	validator "github.com/pb33f/libopenapi-validator"
 	"github.com/pb33f/libopenapi-validator/config"
-	"github.com/santhosh-tekuri/jsonschema/v6"
 )
 
 type customRegexp regexp2.Regexp