Update preflight.yml

Author: insha

.github/workflows/preflight.yml

@@ -10,7 +10,7 @@ jobs:
   SwiftLint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - name: GitHub Action for SwiftLint (Only files changed in the PR)
         uses: norio-nomura/action-swiftlint@3.2.1
         env: