feat: Use GitHub actions for linting (#1927)

Author: reconbot

.github/workflows/lint.yml

@@ -0,0 +1,17 @@
+name: Lint
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Use Node.js 12
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12
+    - name: npm install
+      run: npm install
+    - name: npm run lint
+      run: npm run lint

.travis.yml

@@ -69,7 +69,6 @@ install:
 - npm run rebuild
 
 script:
-- npm run lint
 - npm test
 
 # if publishing, do it

appveyor.yml

@@ -47,7 +47,6 @@ build_script:
 - npm run rebuild
 
 test_script:
-- npm run lint
 - npm test
 
 - ps: >