Update lint.yml (#35)

Update path to swift-mmio's .swift-format file.

Author: rauhul

.github/workflows/lint.yml

@@ -19,7 +19,7 @@ jobs:
 
       - name: Compare against swift-mmio swift-format config
         run: |
-          curl -sL https://raw.githubusercontent.com/apple/swift-mmio/refs/heads/main/SupportingFiles/Tools/swift-format/.swift-format -o .swift-format-mmio
+          curl -sL https://raw.githubusercontent.com/apple/swift-mmio/refs/heads/main/.swift-format -o .swift-format-mmio
           diff .swift-format .swift-format-mmio
 
   soundness: