Update lint action dependency (#57)

Author: Yago Pérez Vázquez

.github/workflows/lint.yml

@@ -6,4 +6,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: gnosis/safe-react-eslint-plus-action@main
+      - uses: gnosis/safe-react-eslint-plus-action@v3.5.0