update workflow

Author: JaskRendix

.github/workflows/CI.yml

@@ -8,7 +8,7 @@ jobs:
   rust:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with: