fix(deps): bump promisified-properties from 2.0.20 to 2.0.21

Bumps [promisified-properties](https://github.com/KengoTODA/promisified-properties) from 2.0.20 to 2.0.21.
- [Release notes](https://github.com/KengoTODA/promisified-properties/releases)
- [Commits](KengoTODA/promisified-properties@v2.0.20...v2.0.21)

---
updated-dependencies:
- dependency-name: promisified-properties
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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