Bump api-platform/core from 2.6.1 to 2.6.4 (#324)

Bumps [api-platform/core](https://github.com/api-platform/core) from 2.6.1 to 2.6.4.
- [Release notes](https://github.com/api-platform/core/releases)
- [Changelog](https://github.com/api-platform/core/blob/main/CHANGELOG.md)
- [Commits](api-platform/core@v2.6.1...v2.6.4)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]