chore: update pre-commit hook mypy

updates:
- github.com/pre-commit/mirrors-mypy: v1.16.0 → v1.20.0

Author: DimitriPapadopoulos

.pre-commit-config.yaml

@@ -26,7 +26,7 @@ repos:
     - id: sp-repo-review
 
   -   repo: https://github.com/pre-commit/mirrors-mypy
-      rev: v1.16.0
+      rev: v1.20.0
       hooks:
       -   id: mypy
           args: [--config-file, pyproject.toml]

tests/test_zarr3.py

@@ -45,4 +45,4 @@ def test_export(codec_name: str) -> None:
         DeprecationWarning,
         match="The numcodecs.zarr3 module is deprecated and will be removed in a future release of numcodecs. ",
     ):
-        assert getattr(zarr3, codec_name) == getattr(zarr.codecs.numcodecs, codec_name)
+        assert getattr(zarr3, codec_name) == getattr(zarr.codecs.numcodecs, codec_name)  # type: ignore[attr-defined]