Update smartcalc to 1.0.7

[github-actions]

This is an auto-generated PR created because smartcalc appears to have recently released a new version. The dependency and package versions have been bumped automatically.
You can check this branch out locally to make any required changes:
git fetch origin git checkout chore/smartcalc-1.0.7
Once tests are passing, don't forget to publish to crates.io! 🥳