chore(deps): update actions/checkout digest to ac59398

Author: renovate[bot]

.github/workflows/workflow.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: 'Checkout'
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3
 
       - name: Test functions
         run: dotnet test --configuration Release src/Hashflags.Tests