Python3.8のサポートを終了します。 (#691)

* Python3.8のサポートを終了する

* update ruff

* update ruff

Author: yuji38kwmt

annofabapi/parser.py

@@ -240,7 +240,7 @@ def load_json(self) -> Any:  # noqa: ANN401
     def open_outer_file(self, data_uri: str):  # noqa: ANN201
         outer_file_path = _trim_extension(self.json_file_path) + "/" + data_uri
         try:
-            return open(outer_file_path, mode="rb")  # noqa: SIM115, pylint: disable=consider-using-with
+            return open(outer_file_path, mode="rb")
         except FileNotFoundError as e:
             raise AnnotationOuterFileNotFoundError(str(outer_file_path)) from e
 
@@ -306,7 +306,7 @@ def load_json(self) -> Any:  # noqa: ANN401
     def open_outer_file(self, data_uri: str):  # noqa: ANN201
         outer_file_path = _trim_extension(self.json_file_path) + "/" + data_uri
         try:
-            return open(outer_file_path, mode="rb")  # noqa: SIM115, pylint: disable=consider-using-with
+            return open(outer_file_path, mode="rb")
         except FileNotFoundError as e:
             raise AnnotationOuterFileNotFoundError(str(outer_file_path)) from e