Bump mypy, ruff versions

- mypy v1.12.0 → v1.14.1.
  - Drop custom hook entry that uses PRE_COMMIT_MYPY_VENV.
  - Use config suggested at python/mypy#13916.
- ruff v0.8.4 → v0.9.1

.pre-commit-config.yaml

@@ -1,16 +1,10 @@
 repos:
-- repo: local
+- repo: https://github.com/pre-commit/mirrors-mypy
+  rev: v1.14.1
   hooks:
   - id: mypy
-    name: mypy
-    always_run: true
-    require_serial: true
     pass_filenames: false
-
-    language: python
-    entry: bash -c ". ${PRE_COMMIT_MYPY_VENV:-/dev/null}/bin/activate 2>/dev/null; mypy $0 $@"
     additional_dependencies:
-    - mypy >= 1.12.0
     - asyncssh
     - git+https://github.com/iiasa/ixmp.git@main
     - importlib_resources
@@ -20,9 +14,8 @@ repos:
     - Sphinx
     - types-PyYAML
     - types-requests
-    args: ["."]
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.8.4
+  rev: v0.9.1
   hooks:
   - id: ruff
   - id: ruff-format

pyproject.toml

@@ -87,9 +87,9 @@ omit = [
 ]
 
 [tool.mypy]
-exclude = [
-  "build/",
-  "doc/",
+files = [
+  "doc",
+  "message_ix",
 ]
 # TODO Remove this once it has become default with mypy 2.0:
 local_partial_types = true