Bump the dev-dependencies group with 1 update (#2012)

Bumps the dev-dependencies group with 1 update: [simplesamlphp/simplesamlphp-test-framework](https://github.com/simplesamlphp/simplesamlphp-test-framework).


Updates `simplesamlphp/simplesamlphp-test-framework` from 1.6.0 to 1.6.1
- [Commits](simplesamlphp/simplesamlphp-test-framework@v1.6.0...v1.6.1)

---
updated-dependencies:
- dependency-name: simplesamlphp/simplesamlphp-test-framework
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>