Swift: Bump github.com/pointfreeco/swift-dependencies

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


Updates `github.com/pointfreeco/swift-dependencies` from 1.8.0 to 1.8.1
- [Release notes](https://github.com/pointfreeco/swift-dependencies/releases)
- [Commits](pointfreeco/swift-dependencies@1.8.0...1.8.1)

---
updated-dependencies:
- dependency-name: github.com/pointfreeco/swift-dependencies
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: swift-dependencies
...

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

Author: dependabot[bot]