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/impl/validate.go

@@ -211,9 +211,7 @@ func newValidationInfo(fd protoreflect.FieldDescriptor, ft reflect.Type) validat
 		switch fd.Kind() {
 		case protoreflect.MessageKind:
 			vi.typ = validationTypeMessage
-			if !fd.IsWeak() {
-				vi.mi = getMessageInfo(ft)
-			}
+			vi.mi = getMessageInfo(ft)
 		case protoreflect.GroupKind:
 			vi.typ = validationTypeGroup
 			vi.mi = getMessageInfo(ft)
@@ -320,26 +318,6 @@ State:
 				}
 				if f != nil {
 					vi = f.validation
-					if vi.typ == validationTypeMessage && vi.mi == nil {
-						// Probable weak field.
-						//
-						// TODO: Consider storing the results of this lookup somewhere
-						// rather than recomputing it on every validation.
-						fd := st.mi.Desc.Fields().ByNumber(num)
-						if fd == nil || !fd.IsWeak() {
-							break
-						}
-						messageName := fd.Message().FullName()
-						messageType, err := protoregistry.GlobalTypes.FindMessageByName(messageName)
-						switch err {
-						case nil:
-							vi.mi, _ = messageType.(*MessageInfo)
-						case protoregistry.NotFound:
-							vi.typ = validationTypeBytes
-						default:
-							return out, ValidationUnknown
-						}
-					}
 					break
 				}
 				// Possible extension field.