Update dependencies

- Updating nikic/fast-route (v1.2.0 => v1.3.0)
- Updating pimple/pimple (v3.2.2 => v3.2.3)
- Updating slim/slim (3.8.1 => 3.9.2)
- Updating guzzlehttp/guzzle (6.3.0 => 6.3.2)
- Updating webmozart/assert (1.2.0 => 1.3.0)
- Updating phpspec/prophecy (v1.7.2 => 1.7.5)
- Updating phpunit/php-file-iterator (1.4.2 => 1.4.5)
- Updating phpunit/php-token-stream (1.4.11 => 1.4.12)
- Updating symfony/yaml (v2.8.28 => v2.8.37)

Fixes #24196, #24197