chore(deps): update actions/checkout digest to 064fe7f

Author: renovate[bot]

.github/workflows/pypipublish.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@61b9e3751b92087fd0b06925ba6dd6314e06f089 # master
+      - uses: actions/checkout@064fe7f3312418007dea2b49a19844a9ee378f49 # master
       - name: Set up Python 3.10
         uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6
         with: