chore: update CI dependencies in .github/workflows/main.yaml

Author: autopilot-project-manager[bot]

.github/workflows/main.yaml

@@ -6,8 +6,8 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v3
+        uses: actions/checkout@v6
+      - uses: pnpm/action-setup@v4
         with:
           version: latest
       - run: sudo apt-get update && sudo apt-get install -y libjemalloc-dev
@@ -20,7 +20,7 @@ jobs:
       - name: Aggregate coverage reports
         run: node scripts/aggregate-coverage.js
       - name: Publish coverage report to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           files: ./coverage/coverage.json
           token: ${{ secrets.CODECOV_TOKEN }}