Merge pull request #174 from thomhurst/renovate/actions-checkout-7.x

Update actions/checkout action to v7

Author: github-actions[bot]

.github/workflows/dotnet.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7.0.0
         with:
           fetch-depth: 0
           persist-credentials: false