update version

Author: cp-at-mit

.github/workflows/ci.yml

@@ -174,6 +174,6 @@ jobs:
           NODE_ENV: production
 
       - name: Upload test coverage to CodeCov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           file: coverage/lcov.info

.github/workflows/release-candiate.yml

@@ -15,7 +15,7 @@ jobs:
       github.event_name == 'workflow_dispatch' ||
       github.event.workflow_run.conclusion == 'success'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: release-candidate
       - uses: akhileshns/heroku-deploy@96f4455bfc127bf16feac4b180aae9ec380c5a20