REF: Make mypy manual stage with pre-commit (#6024)

* REF: Make mypy nanual stage with pre-commit

* Update .pre-commit-config.yaml

Co-authored-by: Maximilian Roos <5635139+max-sixty@users.noreply.github.com>

Co-authored-by: Maximilian Roos <5635139+max-sixty@users.noreply.github.com>

Author: snowman2

.pre-commit-config.yaml

@@ -48,9 +48,11 @@ repos:
     rev: v0.931
     hooks:
       - id: mypy
-        # `properies` & `asv_bench` are copied from setup.cfg.
-        # `_typed_ops.py` is added since otherwise mypy will complain (but notably only in pre-commit)
-        exclude: "properties|asv_bench|_typed_ops.py"
+        # Copied from setup.cfg
+        exclude: "properties|asv_bench"
+        # This is slow and so we take it out of the fast-path; requires passing
+        # `--hook-stage manual` to pre-commit
+        stages: [manual]
         additional_dependencies: [
             # Type stubs
             types-python-dateutil,