composer(deps-dev): bump zenstruck/foundry from 2.3.4 to 2.3.6

Bumps [zenstruck/foundry](https://github.com/zenstruck/foundry) from 2.3.4 to 2.3.6.
- [Release notes](https://github.com/zenstruck/foundry/releases)
- [Changelog](https://github.com/zenstruck/foundry/blob/v2.3.6/CHANGELOG.md)
- [Commits](zenstruck/foundry@v2.3.4...v2.3.6)

---
updated-dependencies:
- dependency-name: zenstruck/foundry
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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