build(#1): bump Symfony and PHP versions

[kukuruzvelt]

Description

Bump Symfony and PHP versions

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [x] I have performed a self-review of my code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have updated the documentation accordingly.
• [x] My change requires a change to the documentation.
• [x] I have read the CONTRIBUTING.md document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.
• [x] You have only one commit (if not, squash them into one commit).

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Please upload report for BASE (main@3cddae6). Learn more about missing BASE report.

:exclamation: Current head f6cbe63 differs from pull request most recent head 31fb308

Please upload reports for the commit 31fb308 to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #11 +/- ## ======================================== Coverage ? 100.00% Complexity ? 503 ======================================== Files ? 141 Lines ? 2249 Branches ? 0 ======================================== Hits ? 2249 Misses ? 0 Partials ? 0 ```

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