Swift: Bump github.com/apple/swift-algorithms

Bumps the swift-dependencies group with 1 update: [github.com/apple/swift-algorithms](https://github.com/apple/swift-algorithms).


Updates `github.com/apple/swift-algorithms` from 1.2.0 to 1.2.1
- [Release notes](https://github.com/apple/swift-algorithms/releases)
- [Changelog](https://github.com/apple/swift-algorithms/blob/1.2.1/CHANGELOG.md)
- [Commits](apple/swift-algorithms@1.2.0...1.2.1)

---
updated-dependencies:
- dependency-name: github.com/apple/swift-algorithms
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: swift-dependencies
...

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

Author: dependabot[bot]