build: go 1.24

We were running behind and there were quite some deprecations to update.
This was mostly in the upstream copy/pasta package but seems quite
minimal.

vendor/google.golang.org/protobuf/internal/encoding/tag/tag.go

@@ -26,7 +26,7 @@ var byteType = reflect.TypeOf(byte(0))
 // The type is the underlying field type (e.g., a repeated field may be
 // represented by []T, but the Go type passed in is just T).
 // A list of enum value descriptors must be provided for enum fields.
-// This does not populate the Enum or Message (except for weak message).
+// This does not populate the Enum or Message.
 //
 // This function is a best effort attempt; parsing errors are ignored.
 func Unmarshal(tag string, goType reflect.Type, evs protoreflect.EnumValueDescriptors) protoreflect.FieldDescriptor {
@@ -109,9 +109,6 @@ func Unmarshal(tag string, goType reflect.Type, evs protoreflect.EnumValueDescri
 			}
 		case s == "packed":
 			f.L1.EditionFeatures.IsPacked = true
-		case strings.HasPrefix(s, "weak="):
-			f.L1.IsWeak = true
-			f.L1.Message = filedesc.PlaceholderMessage(protoreflect.FullName(s[len("weak="):]))
 		case strings.HasPrefix(s, "def="):
 			// The default tag is special in that everything afterwards is the
 			// default regardless of the presence of commas.
@@ -183,9 +180,6 @@ func Marshal(fd protoreflect.FieldDescriptor, enumName string) string {
 		// the exact same semantics from the previous generator.
 		tag = append(tag, "json="+jsonName)
 	}
-	if fd.IsWeak() {
-		tag = append(tag, "weak="+string(fd.Message().FullName()))
-	}
 	// The previous implementation does not tag extension fields as proto3,
 	// even when the field is defined in a proto3 file. Match that behavior
 	// for consistency.