chore(deps): update dependency mypy to ~1.15.0 (#958)

Author: renovate[bot]

poetry.lock

@@ -77,7 +77,7 @@ yarl = ">=1.18.0"
 build = "~1.2.0"
 filelock = "~3.17.0"
 ipdb = "~0.13.0"
-mypy = "~1.14.0"
+mypy = "~1.15.0"
 pre-commit = "~4.1.0"
 proxy-py = "~2.4.0"
 pydoc-markdown = "~4.8.0"