fix(deps): pin dependencies

| datasource | package                 | from    | to      |
| ---------- | ----------------------- | ------- | ------- |
| npm        | @redocly/cli            | 2.12.3  | 2.12.3  |
| npm        | @stoplight/spectral-cli | 6.15.0  | 6.15.0  |
| npm        | @types/node             | 24.10.1 | 24.10.1 |
| npm        | @vitest/ui              | 4.0.15  | 4.0.15  |
| npm        | typescript              | 5.9.3   | 5.9.3   |
| npm        | vitest                  | 4.0.15  | 4.0.15  |

Author: renovate[bot]