build(deps-dev): bump mypy from 1.15.0 to 1.18.1

Bumps [mypy](https://github.com/python/mypy) from 1.15.0 to 1.18.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.15.0...v1.18.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-dev.txt

@@ -38,7 +38,7 @@ isort==6.0.1
     # via -r requirements-dev.in
 mccabe==0.7.0
     # via flake8
-mypy==1.15.0
+mypy==1.18.1
     # via -r requirements-dev.in
 mypy-extensions==1.0.0
     # via
@@ -53,7 +53,9 @@ packaging==24.2
     #   pytest
     #   tox
 pathspec==0.12.1
-    # via black
+    # via
+    #   black
+    #   mypy
 platformdirs==4.3.6
     # via
     #   black