CARRY 5300466: Use canonical json-patch v4 import

On-behalf-of: @SAP [email protected]

Author: xrstf

third_party/k8s.io/client-go/testing/fixture.go

@@ -24,8 +24,8 @@ import (
 	"strings"
 	"sync"
 
-	jsonpatch "github.com/evanphx/json-patch"
 	"github.com/kcp-dev/logicalcluster/v3"
+	jsonpatch "gopkg.in/evanphx/json-patch.v4"
 
 	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/api/meta"