Bump minimist from 1.2.5 to 1.2.6 in /contracts (#843)

Bumps [minimist](https://github.com/minimistjs/minimist) from 1.2.5 to 1.2.6.
- [Release notes](https://github.com/minimistjs/minimist/releases)
- [Changelog](https://github.com/minimistjs/minimist/blob/main/CHANGELOG.md)
- [Commits](minimistjs/minimist@v1.2.5...v1.2.6)

---
updated-dependencies:
- dependency-name: minimist
  dependency-type: indirect
...

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