ci(action): update actions/checkout digest to b4ffde6 (#723)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yml

@@ -42,7 +42,7 @@ jobs:
     timeout-minutes: 5
 
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - run: git config --global user.name github-actions
       - run: git config --global user.email github-actions@github.com
       - name: Use Node.js from .nvmrc