vendor: update buildkit to v0.19.0-rc1

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/google.golang.org/protobuf/internal/filedesc/desc.go

@@ -32,6 +32,7 @@ const (
 	EditionProto2      Edition = 998
 	EditionProto3      Edition = 999
 	Edition2023        Edition = 1000
+	Edition2024        Edition = 1001
 	EditionUnsupported Edition = 100000
 )
 
@@ -77,28 +78,42 @@ type (
 		Locations SourceLocations
 	}
 
+	// EditionFeatures is a frequently-instantiated struct, so please take care
+	// to minimize padding when adding new fields to this struct (add them in
+	// the right place/order).
 	EditionFeatures struct {
+		// StripEnumPrefix determines if the plugin generates enum value
+		// constants as-is, with their prefix stripped, or both variants.
+		StripEnumPrefix int
+
 		// IsFieldPresence is true if field_presence is EXPLICIT
 		// https://protobuf.dev/editions/features/#field_presence
 		IsFieldPresence bool
+
 		// IsFieldPresence is true if field_presence is LEGACY_REQUIRED
 		// https://protobuf.dev/editions/features/#field_presence
 		IsLegacyRequired bool
+
 		// IsOpenEnum is true if enum_type is OPEN
 		// https://protobuf.dev/editions/features/#enum_type
 		IsOpenEnum bool
+
 		// IsPacked is true if repeated_field_encoding is PACKED
 		// https://protobuf.dev/editions/features/#repeated_field_encoding
 		IsPacked bool
+
 		// IsUTF8Validated is true if utf_validation is VERIFY
 		// https://protobuf.dev/editions/features/#utf8_validation
 		IsUTF8Validated bool
+
 		// IsDelimitedEncoded is true if message_encoding is DELIMITED
 		// https://protobuf.dev/editions/features/#message_encoding
 		IsDelimitedEncoded bool
+
 		// IsJSONCompliant is true if json_format is ALLOW
 		// https://protobuf.dev/editions/features/#json_format
 		IsJSONCompliant bool
+
 		// GenerateLegacyUnmarshalJSON determines if the plugin generates the
 		// UnmarshalJSON([]byte) error method for enums.
 		GenerateLegacyUnmarshalJSON bool

vendor/google.golang.org/protobuf/internal/filedesc/editions.go

@@ -32,6 +32,10 @@ func unmarshalGoFeature(b []byte, parent EditionFeatures) EditionFeatures {
 			v, m := protowire.ConsumeVarint(b)
 			b = b[m:]
 			parent.GenerateLegacyUnmarshalJSON = protowire.DecodeBool(v)
+		case genid.GoFeatures_StripEnumPrefix_field_number:
+			v, m := protowire.ConsumeVarint(b)
+			b = b[m:]
+			parent.StripEnumPrefix = int(v)
 		default:
 			panic(fmt.Sprintf("unkown field number %d while unmarshalling GoFeatures", num))
 		}