Bump b64-ct from 0.1.1 to 0.1.2

Bumps [b64-ct](https://github.com/fortanix/b64-ct) from 0.1.1 to 0.1.2.
- [Commits](https://github.com/fortanix/b64-ct/commits)

---
updated-dependencies:
- dependency-name: b64-ct
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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