Bump file-type and @openapitools/openapi-generator-cli

Bumps [file-type](https://github.com/sindresorhus/file-type) to 21.3.2 and updates ancestor dependency [@openapitools/openapi-generator-cli](https://github.com/OpenAPITools/openapi-generator-cli). These dependencies need to be updated together.


Updates `file-type` from 21.3.0 to 21.3.2
- [Release notes](https://github.com/sindresorhus/file-type/releases)
- [Commits](sindresorhus/file-type@v21.3.0...v21.3.2)

Updates `@openapitools/openapi-generator-cli` from 2.28.3 to 2.31.0
- [Release notes](https://github.com/OpenAPITools/openapi-generator-cli/releases)
- [Commits](OpenAPITools/openapi-generator-cli@v2.28.3...v2.31.0)

---
updated-dependencies:
- dependency-name: file-type
  dependency-version: 21.3.2
  dependency-type: indirect
- dependency-name: "@openapitools/openapi-generator-cli"
  dependency-version: 2.31.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]