Bump actions/checkout from 3.5.0 to 3.5.2

Closes https://github.com/dart-lang/homebrew-dart/pull/142

GitOrigin-RevId: b346bd2ef80830297a51cfa633be511f878e2cf4
Change-Id: Ib2e778bcb5fb11df0478cdaecc18eaaa7359b8f8
Reviewed-on: https://dart-review.googlesource.com/c/homebrew-dart/+/300461
Reviewed-by: Jonas Termansen <sortie@google.com>
Commit-Queue: Jonas Termansen <sortie@google.com>
diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index e687fd6..9056155 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -20,7 +20,7 @@
       matrix:
         sdk: [dev, stable]
     steps:
-      - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3
+      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
       - uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: ${{ matrix.sdk }}