build(deps): bump bstr from 1.6.2 to 1.7.0

Bumps [bstr](https://github.com/BurntSushi/bstr) from 1.6.2 to 1.7.0.
- [Commits](BurntSushi/bstr@1.6.2...1.7.0)

---
updated-dependencies:
- dependency-name: bstr
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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