build(deps): bump indexed_db_futures from 0.5.0 to 0.6.0

Bumps [indexed_db_futures](https://github.com/Alorel/rust-indexed-db) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/Alorel/rust-indexed-db/releases)
- [Commits](Alorel/rust-indexed-db@v0.5.0...v0.6.0)

---
updated-dependencies:
- dependency-name: indexed_db_futures
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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