chore: add test coverage to postgrest-js

Author: avallete

.github/workflows/ci.yml

@@ -23,3 +23,6 @@ jobs:
       - run: |
           npm clean-install
           npm run test
+
+      - name: Coveralls
+        uses: coverallsapp/github-action@v2

package.json

@@ -38,7 +38,7 @@
     "docs": "typedoc src/index.ts --out docs/v2",
     "docs:json": "typedoc --json docs/v2/spec.json --excludeExternals src/index.ts",
     "test": "run-s format:check test:types db:clean db:run test:run db:clean && node test/smoke.cjs && node test/smoke.mjs",
-    "test:run": "jest --runInBand",
+    "test:run": "jest --runInBand --coverage",
     "test:update": "run-s db:clean db:run && jest --runInBand --updateSnapshot && run-s db:clean",
     "test:types": "run-s build && tsd --files 'test/**/*.test-d.ts'",
     "db:clean": "cd test/db && docker compose down --volumes",