vendor: Update everything

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4620

vendor/github.com/gogo/protobuf/test/issue260/models.go

@@ -1,12 +1,25 @@
 package issue260
 
-import "time"
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/gogo/protobuf/jsonpb"
+)
 
 type Dropped struct {
 	Name string
 	Age  int32
 }
 
+func (d *Dropped) UnmarshalJSONPB(u *jsonpb.Unmarshaler, b []byte) error {
+	return json.Unmarshal(b, d)
+}
+
+func (d *Dropped) MarshalJSONPB(*jsonpb.Marshaler) ([]byte, error) {
+	return json.Marshal(d)
+}
+
 func (d *Dropped) Drop() bool {
 	return true
 }
@@ -17,3 +30,11 @@ type DroppedWithoutGetters struct {
 	Timestamp         time.Time  `protobuf:"bytes,3,opt,name=timestamp,stdtime" json:"timestamp"`
 	NullableTimestamp *time.Time `protobuf:"bytes,4,opt,name=nullable_timestamp,json=nullableTimestamp,stdtime" json:"nullable_timestamp,omitempty"`
 }
+
+func (d *DroppedWithoutGetters) UnmarshalJSONPB(u *jsonpb.Unmarshaler, b []byte) error {
+	return json.Unmarshal(b, d)
+}
+
+func (d *DroppedWithoutGetters) MarshalJSONPB(*jsonpb.Marshaler) ([]byte, error) {
+	return json.Marshal(d)
+}