Update dependencies (#1784)

vendor/github.com/graph-gophers/graphql-go/errors/panic_handler.go

@@ -0,0 +1,18 @@
+package errors
+
+import (
+	"context"
+)
+
+// PanicHandler is the interface used to create custom panic errors that occur during query execution
+type PanicHandler interface {
+	MakePanicError(ctx context.Context, value interface{}) *QueryError
+}
+
+// DefaultPanicHandler is the default PanicHandler
+type DefaultPanicHandler struct{}
+
+// MakePanicError creates a new QueryError from a panic that occurred during execution
+func (h *DefaultPanicHandler) MakePanicError(ctx context.Context, value interface{}) *QueryError {
+	return Errorf("panic occurred: %v", value)
+}