Update dependency mypy to >=1.13,<1.20 (#877)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pyproject.toml

@@ -36,7 +36,7 @@ Funding = "https://github.com/sponsors/typeddjango"
 "Release notes" = "https://github.com/typeddjango/djangorestframework-stubs/releases"
 
 [project.optional-dependencies]
-compatible-mypy = ["mypy>=1.13,<1.19", "django-stubs[compatible-mypy]"]
+compatible-mypy = ["mypy>=1.13,<1.20", "django-stubs[compatible-mypy]"]
 coreapi = ["coreapi>=2.0.0"]
 markdown = ["types-Markdown>=0.1.5"]