Bump github.com/nicklockwood/swiftformat in /BuildTools (#264)

Bumps [github.com/nicklockwood/swiftformat](https://github.com/nicklockwood/SwiftFormat) from 0.54.3 to 0.54.4.
- [Release notes](https://github.com/nicklockwood/SwiftFormat/releases)
- [Commits](nicklockwood/SwiftFormat@0.54.3...0.54.4)

---
updated-dependencies:
- dependency-name: github.com/nicklockwood/swiftformat
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

BuildTools/Package.resolved

@@ -123,8 +123,8 @@
         "repositoryURL": "https://github.com/nicklockwood/SwiftFormat",
         "state": {
           "branch": null,
-          "revision": "d6309f7440889427426143b4a0b100b959d3f3e6",
-          "version": "0.54.3"
+          "revision": "c6680dd33c013abdd18266538e302f6323fa130e",
+          "version": "0.54.4"
         }
       },
       {