build(deps): bump linked-hash-map from 0.5.4 to 0.5.6

Bumps [linked-hash-map](https://github.com/contain-rs/linked-hash-map) from 0.5.4 to 0.5.6.
- [Release notes](https://github.com/contain-rs/linked-hash-map/releases)
- [Commits](https://github.com/contain-rs/linked-hash-map/commits/v0.5.6)

---
updated-dependencies:
- dependency-name: linked-hash-map
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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