Bump grpc to v1.50.1

Signed-off-by: Luca Comellini <luca.com@gmail.com>

vendor/google.golang.org/genproto/googleapis/api/httpbody/httpbody.pb.go

@@ -40,7 +40,6 @@ const (
 // payload formats that can't be represented as JSON, such as raw binary or
 // an HTML page.
 //
-//
 // This message can be used both in streaming and non-streaming API methods in
 // the request as well as the response.
 //
@@ -50,32 +49,32 @@ const (
 //
 // Example:
 //
-//     message GetResourceRequest {
-//       // A unique request id.
-//       string request_id = 1;
+//	message GetResourceRequest {
+//	  // A unique request id.
+//	  string request_id = 1;
 //
-//       // The raw HTTP body is bound to this field.
-//       google.api.HttpBody http_body = 2;
+//	  // The raw HTTP body is bound to this field.
+//	  google.api.HttpBody http_body = 2;
 //
-//     }
+//	}
 //
-//     service ResourceService {
-//       rpc GetResource(GetResourceRequest)
-//         returns (google.api.HttpBody);
-//       rpc UpdateResource(google.api.HttpBody)
-//         returns (google.protobuf.Empty);
+//	service ResourceService {
+//	  rpc GetResource(GetResourceRequest)
+//	    returns (google.api.HttpBody);
+//	  rpc UpdateResource(google.api.HttpBody)
+//	    returns (google.protobuf.Empty);
 //
-//     }
+//	}
 //
 // Example with streaming methods:
 //
-//     service CaldavService {
-//       rpc GetCalendar(stream google.api.HttpBody)
-//         returns (stream google.api.HttpBody);
-//       rpc UpdateCalendar(stream google.api.HttpBody)
-//         returns (stream google.api.HttpBody);
+//	service CaldavService {
+//	  rpc GetCalendar(stream google.api.HttpBody)
+//	    returns (stream google.api.HttpBody);
+//	  rpc UpdateCalendar(stream google.api.HttpBody)
+//	    returns (stream google.api.HttpBody);
 //
-//     }
+//	}
 //
 // Use of this type only changes how the request and response bodies are
 // handled, all other features will continue to work unchanged.

vendor/google.golang.org/genproto/googleapis/rpc/code/code.pb.go

@@ -37,7 +37,6 @@ const (
 
 // The canonical error codes for gRPC APIs.
 //
-//
 // Sometimes multiple error codes may apply.  Services should return
 // the most specific error code that applies.  For example, prefer
 // `OUT_OF_RANGE` over `FAILED_PRECONDITION` if both codes apply.

vendor/google.golang.org/genproto/googleapis/rpc/errdetails/error_details.pb.go

@@ -219,25 +219,25 @@ func (x *QuotaFailure) GetViolations() []*QuotaFailure_Violation {
 // Example of an error when contacting the "pubsub.googleapis.com" API when it
 // is not enabled:
 //
-//     { "reason": "API_DISABLED"
-//       "domain": "googleapis.com"
-//       "metadata": {
-//         "resource": "projects/123",
-//         "service": "pubsub.googleapis.com"
-//       }
-//     }
+//	{ "reason": "API_DISABLED"
+//	  "domain": "googleapis.com"
+//	  "metadata": {
+//	    "resource": "projects/123",
+//	    "service": "pubsub.googleapis.com"
+//	  }
+//	}
 //
 // This response indicates that the pubsub.googleapis.com API is not enabled.
 //
 // Example of an error that is returned when attempting to create a Spanner
 // instance in a region that is out of stock:
 //
-//     { "reason": "STOCKOUT"
-//       "domain": "spanner.googleapis.com",
-//       "metadata": {
-//         "availableRegions": "us-central1,us-east2"
-//       }
-//     }
+//	{ "reason": "STOCKOUT"
+//	  "domain": "spanner.googleapis.com",
+//	  "metadata": {
+//	    "availableRegions": "us-central1,us-east2"
+//	  }
+//	}
 type ErrorInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache