Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/frontend.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
       - name: Set up node
         uses: actions/setup-node@v3
         with:
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
       - name: Set up node
         uses: actions/setup-node@v3
         with: