chore: Update mypy requirement from ==1.14.1 to ==1.16.1 (#52)

Author: dependabot[bot]

pyproject.toml

@@ -36,7 +36,7 @@ chevron = "=0.14.0"
 pytest = ">=2.8"
 pytest-cov = ">=2.4.0"
 pytest-mypy = "==1.0.1"
-mypy = "==1.14.1"
+mypy = "==1.16.1"
 pycodestyle = "^2.12.1"
 isort = ">=5.13.2,<7.0.0"