chore(deps): update dependency mypy to ~1.15.0 (#388)

Author: renovate[bot]

poetry.lock

@@ -60,7 +60,7 @@ websockets = ">=10.0 <14.0.0"
 build = "~1.2.0"
 filelock = "~3.17.0"
 griffe = "~1.5.0"
-mypy = "~1.14.0"
+mypy = "~1.15.0"
 pre-commit = "~4.1.0"
 pydoc-markdown = "~4.8.0"
 pytest = "~8.3.0"