build(deps): bump mypy from 1.12.1 to 1.15.0

Bumps [mypy](https://github.com/python/mypy) from 1.12.1 to 1.15.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.12.1...v1.15.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -62,7 +62,7 @@ tests = [
 dev = [
   "vllm_tgis_adapter[tests]",
   "ruff==0.9.6",
-  "mypy==1.12.1",
+  "mypy==1.15.0",
   "types-protobuf==5.28.0.20240924",
   "types-requests==2.32.0.20241016"
 ]