fix _pygit2.pyi

Author: DinhHuy2010

pygit2/_pygit2.pyi

@@ -298,7 +298,7 @@ class Object:
     @overload
     def peel(
         self, target_type: Literal[None, ObjectType.ANY]
-    ) -> Commit | Tree | Blob: ...
+    ) -> Commit | Tree | Blob | Tag: ...
     def read_raw(self) -> bytes: ...
     def __eq__(self, other: object) -> bool: ...
     def __ge__(self, other: object) -> bool: ...
@@ -693,9 +693,9 @@ class Repository:
         references_return_type: ReferenceFilter = ReferenceFilter.ALL,
     ) -> Reference: ...
     def reset(self, oid: _OidArg, reset_type: ResetMode) -> None: ...
-    def revparse(self, revspec: str) -> RevSpec: ...
-    def revparse_ext(self, revision: str) -> tuple[Object, Reference]: ...
-    def revparse_single(self, revision: str) -> Object: ...
+    def revparse(self, revspec: str | bytes) -> RevSpec: ...
+    def revparse_ext(self, revision: str | bytes) -> tuple[Object, Reference]: ...
+    def revparse_single(self, revision: str | bytes) -> Object: ...
     def set_odb(self, odb: Odb) -> None: ...
     def set_refdb(self, refdb: Refdb) -> None: ...
     def status(