chore(deps): update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/setup-node@v5
         with:
           node-version: '22'
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: (cd ui && yarn)
       - run: make build-js
       - uses: golangci/golangci-lint-action@v8