Bump zenstruck/foundry from 2.4.3 to 2.6.3

Bumps [zenstruck/foundry](https://github.com/zenstruck/foundry) from 2.4.3 to 2.6.3.
- [Release notes](https://github.com/zenstruck/foundry/releases)
- [Changelog](https://github.com/zenstruck/foundry/blob/2.x/CHANGELOG.md)
- [Commits](zenstruck/foundry@v2.4.3...v2.6.3)

---
updated-dependencies:
- dependency-name: zenstruck/foundry
  dependency-version: 2.6.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]