Update actions/checkout digest to 08eba0b

Author: renovate[bot]

.github/workflows/dotnet.yml

@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
+    - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with: