ci: add coverage

.github/workflows/test.yml

@@ -1,3 +1,5 @@
+name: test
+
 on:
   push:
     branches:
@@ -23,3 +25,9 @@ jobs:
         run: npm install --no-package-lock
       - name: Test
         run: npm test
+      - name: Report
+        run: mkdir -p coverage && npx nyc report --reporter=text-lcov > coverage/lcov.info
+      - name: Coverage
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

package.json

@@ -37,7 +37,6 @@
     "ava": "latest",
     "ci-publish": "latest",
     "conventional-github-releaser": "latest",
-    "coveralls": "latest",
     "finepack": "latest",
     "git-authors-cli": "latest",
     "git-dirty": "latest",
@@ -56,7 +55,6 @@
   ],
   "scripts": {
     "clean": "rm -rf node_modules",
-    "coverage": "nyc report --reporter=text-lcov | coveralls",
     "lint": "standard",
     "postrelease": "npm run release:tags && npm run release:github && (ci-publish || npm publish --access=public)",
     "precommit": "lint-staged",