chore: update actions/checkout action to v5 (#555)

Author: renovate-bot

.github/workflows/integration-tests-on-emulator.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           go-version: 1.25.x
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Run Go integration tests on emulator
         run: go test -race
         env: