Bump google.golang.org/grpc from 1.56.0 to 1.56.2

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.56.0 to 1.56.2.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.56.0...v1.56.2)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/google.golang.org/grpc/clientconn.go

@@ -1033,8 +1033,10 @@ func (ac *addrConn) updateAddrs(addrs []resolver.Address) {
 
 	// We have to defer here because GracefulClose => Close => onClose, which
 	// requires locking ac.mu.
-	defer ac.transport.GracefulClose()
-	ac.transport = nil
+	if ac.transport != nil {
+		defer ac.transport.GracefulClose()
+		ac.transport = nil
+	}
 
 	if len(addrs) == 0 {
 		ac.updateConnectivityState(connectivity.Idle, nil)

vendor/google.golang.org/grpc/status/status.go

@@ -77,11 +77,18 @@ func FromProto(s *spb.Status) *Status {
 // FromError returns a Status representation of err.
 //
 //   - If err was produced by this package or implements the method `GRPCStatus()
-//     *Status`, or if err wraps a type satisfying this, the appropriate Status is
-//     returned.  For wrapped errors, the message returned contains the entire
-//     err.Error() text and not just the wrapped status.
+//     *Status` and `GRPCStatus()` does not return nil, or if err wraps a type
+//     satisfying this, the Status from `GRPCStatus()` is returned.  For wrapped
+//     errors, the message returned contains the entire err.Error() text and not
+//     just the wrapped status. In that case, ok is true.
 //
-//   - If err is nil, a Status is returned with codes.OK and no message.
+//   - If err is nil, a Status is returned with codes.OK and no message, and ok
+//     is true.
+//
+//   - If err implements the method `GRPCStatus() *Status` and `GRPCStatus()`
+//     returns nil (which maps to Codes.OK), or if err wraps a type
+//     satisfying this, a Status is returned with codes.Unknown and err's
+//     Error() message, and ok is false.
 //
 //   - Otherwise, err is an error not compatible with this package.  In this
 //     case, a Status is returned with codes.Unknown and err's Error() message,
@@ -92,10 +99,24 @@ func FromError(err error) (s *Status, ok bool) {
 	}
 	type grpcstatus interface{ GRPCStatus() *Status }
 	if gs, ok := err.(grpcstatus); ok {
+		if gs.GRPCStatus() == nil {
+			// Error has status nil, which maps to codes.OK. There
+			// is no sensible behavior for this, so we turn it into
+			// an error with codes.Unknown and discard the existing
+			// status.
+			return New(codes.Unknown, err.Error()), false
+		}
 		return gs.GRPCStatus(), true
 	}
 	var gs grpcstatus
 	if errors.As(err, &gs) {
+		if gs.GRPCStatus() == nil {
+			// Error wraps an error that has status nil, which maps
+			// to codes.OK.  There is no sensible behavior for this,
+			// so we turn it into an error with codes.Unknown and
+			// discard the existing status.
+			return New(codes.Unknown, err.Error()), false
+		}
 		p := gs.GRPCStatus().Proto()
 		p.Message = err.Error()
 		return status.FromProto(p), true

vendor/google.golang.org/grpc/version.go

@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.56.0"
+const Version = "1.56.2"