Update mypy and some other dependencies

Author: Cito

poetry.lock

@@ -57,7 +57,7 @@ black = [
     {version = "20.8b1", python = "<3.6.2"}
 ]
 flake8 = "^4.0"
-mypy = "0.910"
+mypy = "0.930"
 sphinx = "^4.3"
 sphinx_rtd_theme = ">=1,<2"
 check-manifest = ">=0.46,<1"

pyproject.toml

@@ -87,7 +87,7 @@ async def map_source_to_response(payload: Any) -> ExecutionResult:
             operation_name,
             field_resolver,
         )
-        return await result if isawaitable(result) else result  # type: ignore
+        return await result if isawaitable(result) else result
 
     # Map every source value to a ExecutionResult value as described above.
     return MapAsyncIterator(result_or_stream, map_source_to_response)