chore: add CI workflow + smoke test

Author: Indra

.github/workflows/ci.yml

@@ -6,13 +6,13 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: oven-sh/setup-bun@v2
         with:
           bun-version: latest
       - run: bun install --omit=peer
       - run: bun test --coverage --coverage-reporter=lcov
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v7
         with:
           files: ./coverage/lcov.info
           fail_ci_if_error: true