Bump symfony/flex from 1.17.0 to 1.17.1
Bump symfony/flex from 1.17.0 to 1.17.1

Bumps [symfony/flex](https://github.com/symfony/flex) from 1.17.0 to 1.17.1.
- [Release notes](https://github.com/symfony/flex/releases)
- [Commits](https://github.com/symfony/flex/compare/v1.17.0...v1.17.1)

---
updated-dependencies:
- dependency-name: symfony/flex
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
sjparkinson/isitup.org,sjparkinson/isitup.org