Swift: Point at the host-only thinned resource dir

The semmle-code change now thins only `usr/lib/swift/host`, so test
that artifact rather than the earlier one which also thinned the
per-target libraries.

Author: henrymercer

swift/third_party/load.bzl

@@ -6,7 +6,7 @@ load("//misc/bazel:lfs.bzl", "lfs_archive", "lfs_files")
 
 _override = {
     # these are used to test new artifacts. Must be empty before merging to main
-    "resource-dir-macOS-swift-6.3.3-RELEASE-228.zip": "7c4d3307c8986fb2118bb46d36637fcf82385b8a19153f3656fe5065058fbccb",
+    "resource-dir-macOS-swift-6.3.3-RELEASE-237.zip": "0589f8b61a87447d03b4b81b915f6b341ff8bcb123effda586cba46cc9487bd6",
 }
 
 _staging_url = "https://github.com/dsp-testing/codeql-swift-artifacts/releases/download/staging-{}/{}"