Bump mypy from 1.17.1 to 1.18.1

Bumps [mypy](https://github.com/python/mypy) from 1.17.1 to 1.18.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.17.1...v1.18.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.18.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -65,7 +65,7 @@ pymongocrypt_source = [
 ]
 perf = ["simplejson"]
 typing = [
-    "mypy==1.17.1",
+    "mypy==1.18.1",
     "pyright==1.1.405",
     "typing_extensions",
     "pip"