[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci[bot]]

updates:

• github.com/streetsidesoftware/cspell-cli: v6.6.0 → v6.8.1
• github.com/executablebooks/mdformat: 0.7.14 → 0.7.16
• github.com/sirosen/check-jsonschema: 0.17.1 → 0.18.1