Bump isort from 6.1.0 to 7.0.0

Bumps [isort](https://github.com/PyCQA/isort) from 6.1.0 to 7.0.0.
- [Release notes](https://github.com/PyCQA/isort/releases)
- [Changelog](https://github.com/PyCQA/isort/blob/main/CHANGELOG.md)
- [Commits](PyCQA/isort@6.1.0...7.0.0)

---
updated-dependencies:
- dependency-name: isort
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-test.txt

@@ -1,6 +1,6 @@
 black==25.9.0
 flake8==7.3.0
-isort==6.1.0
+isort==7.0.0
 mypy==1.18.2
 mysqlclient==2.2.7
 psycopg2-binary==2.9.10