[Snyk] Security upgrade @openapitools/openapi-generator-cli from 2.30.0 to 2.31.0 (#11764)

fix: packages/continue-sdk/package.json & packages/continue-sdk/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-FILETYPE-15609896
- https://snyk.io/vuln/SNYK-JS-NESTJSCORE-15682556

Co-authored-by: snyk-bot <snyk-bot@snyk.io>