Update rust.yml

Author: Daulox92

spartan/.github/workflows/rust.yml

@@ -10,7 +10,7 @@ jobs:
   build_nightly:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install
       run: rustup default nightly
     - name: Install rustfmt Components