[Call-by-name] swift backend migration (#21064)

Auto-migrated, followed by a manual removal of `implicitly` calls.

docs/notes/2.23.x.md

@@ -117,7 +117,9 @@ The "Provided by" information in the documentation now correctly reflects the pr
 
 ### New call-by-name syntax for @rules
 
-Pants has a new mechanism for `@rule` invocation in backends. In this release the `cc` backend was migrated to use this new mechanism. There should not be any user-visible effects, but please be on the lookout for any unusual bugs or error messages.
+Pants has a new mechanism for `@rule` invocation in backends. In this release the following backends were migrated to use this new mechanism. There should not be any user-visible effects, but please be on the lookout for any unusual bugs or error messages.
+- `cc`
+- `swift`
 
 ## Full Changelog
 

src/python/pants/backend/swift/goals/tailor.py

@@ -13,8 +13,7 @@
     PutativeTargets,
     PutativeTargetsRequest,
 )
-from pants.engine.fs import PathGlobs, Paths
-from pants.engine.internals.selectors import Get
+from pants.engine.intrinsics import path_globs_to_paths
 from pants.engine.rules import Rule, collect_rules, rule
 from pants.engine.target import Target
 from pants.engine.unions import UnionRule
@@ -38,8 +37,8 @@ async def find_putative_targets(
     req: PutativeSwiftTargetsRequest,
     all_owned_sources: AllOwnedSources,
 ) -> PutativeTargets:
-    all_swift_files = await Get(
-        Paths, PathGlobs, req.path_globs(*(f"*{ext}" for ext in SWIFT_FILE_EXTENSIONS))
+    all_swift_files = await path_globs_to_paths(
+        req.path_globs(*(f"*{ext}" for ext in SWIFT_FILE_EXTENSIONS))
     )
     unowned_swift_files = set(all_swift_files.files) - set(all_owned_sources)
     classified_unowned_swift_files = classify_source_files(unowned_swift_files)