Update .github/workflows/ci.yml

Co-authored-by: Gabriel Cruz <8129788+gmelodie@users.noreply.github.com>

Author: Ivansete-status

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     name: ${{ matrix.os }} / Nim ${{ matrix.nim-version }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup Nim
         uses: jiro4989/setup-nim-action@v2