chore(deps): update actions/checkout digest to c2d88d3

Author: renovate[bot]

.github/workflows/reuse_lint.yaml

@@ -14,7 +14,7 @@ jobs:
     name: Check for compliance
     steps:
       - name: Checkout last commit
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+        uses: actions/checkout@c2d88d3ecc89a9ef08eebf45d9637801dcee7eb5
         with:
           persist-credentials: false
       - name: Lint missing copyright and licensing information

.github/workflows/zig_build.yaml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout last commit
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+        uses: actions/checkout@c2d88d3ecc89a9ef08eebf45d9637801dcee7eb5
         with:
           persist-credentials: false
       - name: Setup Zig nightly