build(deps): bump swagger from 688a906 to 0ab5469 (#2796)

Bumps [swagger](https://github.com/Azure/azure-rest-api-specs) from `688a906` to `0ab5469`.
- [Release notes](https://github.com/Azure/azure-rest-api-specs/releases)
- [Commits](Azure/azure-rest-api-specs@688a906...0ab5469)

---
updated-dependencies:
- dependency-name: swagger
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>