chore(deps, ci): Updates nyc and moves to Codecov

- Removes Coveralls
- Adds Codecov step to CI

.github/workflows/ci.yaml

@@ -6,10 +6,14 @@ on:
 name: ci
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         node: [10, 12, 14]
+        os: [ubuntu-latest, windows-latest]
+    env: 
+        OS: ${{ matrix.os }}
+        NODE_VERSION: ${{ matrix.node }}
     steps:
       - uses: actions/checkout@v2
       - run: git fetch --prune --unshallow
@@ -21,15 +25,8 @@ jobs:
       - run: node --version
       - run: npm install --engine-strict
       - run: npm test
-  windows:
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v2
-      - run: git fetch --prune --unshallow
-      - run: git config --global user.name 'Actions'
-      - run: git config --global user.email 'dummy@example.org'
-      - uses: actions/setup-node@v2
+      - run: npm run coverage
+      - name: Codecov
+        uses: codecov/codecov-action@v1
         with:
-          node-version: 12
-      - run: npm install
-      - run: npm test
+          env_vars: OS, NODE_VERSION

package.json

@@ -8,6 +8,7 @@
     "posttest": "eslint .",
     "test": "nyc mocha --timeout=30000",
     "test:unit": "mocha --exclude test/git.spec.js",
+    "coverage": "nyc report --reporter=lcov",
     "release": "bin/cli.js"
   },
   "nyc": {
@@ -54,16 +55,15 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "coveralls": "^3.1.0",
     "eslint": "^7.14.0",
     "eslint-config-standard": "^16.0.2",
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^4.2.1",
-    "mocha": "^8.0.0",
-    "mock-fs": "^4.12.0",
+    "mocha": "^8.2.1",
+    "mock-fs": "^4.13.0",
     "mockery": "^2.1.0",
-    "nyc": "^14.1.1",
+    "nyc": "^15.1.0",
     "shelljs": "^0.8.4",
     "std-mocks": "^1.0.1"
   }