- upgrade to eslint 8.0.x

- use fixed eslint-plugin-github
- update all dependencies to llatest stable release
- semver 7.3.9
- webpack 5.59.1
- node 8

.github/workflows/ci.yml

@@ -12,6 +12,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
       - name: Install NPM
         run: |
           npm install