Bump sha1 from 0.6.0 to 0.6.1

Bumps [sha1](https://github.com/RustCrypto/hashes) from 0.6.0 to 0.6.1.
- [Release notes](https://github.com/RustCrypto/hashes/releases)
- [Commits](https://github.com/RustCrypto/hashes/commits)

---
updated-dependencies:
- dependency-name: sha1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]