build(deps): bump submodules/rest-api-specs from c68421b to f14445d

Bumps [submodules/rest-api-specs](https://github.com/Azure/azure-rest-api-specs) from `c68421b` to `f14445d`.
- [Release notes](https://github.com/Azure/azure-rest-api-specs/releases)
- [Commits](Azure/azure-rest-api-specs@c68421b...f14445d)

---
updated-dependencies:
- dependency-name: submodules/rest-api-specs
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>