chore(deps): update actions/checkout digest to a5ac7e5

Author: anaconda-renovate[bot]

.github/workflows/tests.yaml

@@ -12,7 +12,7 @@ jobs:
     name: Python ${{ matrix.python-version }}
     steps:
 
-    - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
 
     - name: Setup timezone
       uses: zcong1993/setup-timezone@master