Update protos to switch to optional string

Author: dirkkul

weaviate/collections/grpc/query.py

@@ -478,7 +478,6 @@ def __create_request(
             limit=limit,
             offset=offset,
             after=str(after) if after is not None else "",
-            after_present=after is not None,
             autocut=autocut,
             properties=self._translate_properties_from_python_to_grpc(
                 return_properties_parsed, return_references_parsed

weaviate/proto/v1/v4216/v1/base_pb2.py

@@ -130,6 +130,7 @@ class Filters(_message.Message):
         OPERATOR_IS_NULL: _ClassVar[Filters.Operator]
         OPERATOR_CONTAINS_ANY: _ClassVar[Filters.Operator]
         OPERATOR_CONTAINS_ALL: _ClassVar[Filters.Operator]
+        OPERATOR_CONTAINS_NONE: _ClassVar[Filters.Operator]
     OPERATOR_UNSPECIFIED: Filters.Operator
     OPERATOR_EQUAL: Filters.Operator
     OPERATOR_NOT_EQUAL: Filters.Operator
@@ -144,6 +145,7 @@ class Filters(_message.Message):
     OPERATOR_IS_NULL: Filters.Operator
     OPERATOR_CONTAINS_ANY: Filters.Operator
     OPERATOR_CONTAINS_ALL: Filters.Operator
+    OPERATOR_CONTAINS_NONE: Filters.Operator
     OPERATOR_FIELD_NUMBER: _ClassVar[int]
     ON_FIELD_NUMBER: _ClassVar[int]
     FILTERS_FIELD_NUMBER: _ClassVar[int]