Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/cypress.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: Cypress run
         uses: cypress-io/github-action@v2