chore(deps): update actions/checkout digest to 0ad4b8f

Author: anaconda-renovate[bot]

.github/workflows/tests.yaml

@@ -12,7 +12,7 @@ jobs:
     name: Python ${{ matrix.python-version }}
     steps:
 
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+    - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
 
     - name: Setup timezone
       uses: zcong1993/setup-timezone@master