Merge branch 'drop-node-8'

Author: rdmurphy

.github/workflows/nodejs.yaml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [8.x, 10.x, 12.x]
+        node-version: [10.x, 12.x, 13.x]
 
     steps:
       - uses: actions/checkout@v1

package.json

@@ -7,13 +7,13 @@
   "bin": "dist/cli.js",
   "types": "dist/index.d.ts",
   "scripts": {
-    "build": "typebundle \"src/{cli,index}.ts\" --output dist --target 8 --compress",
+    "build": "typebundle \"src/{cli,index}.ts\" --output dist --target 10 --compress",
     "build-toc": "doctoc README.md --github",
     "git-pre-commit": "precise-commits",
     "prerelease": "npm run build",
     "release": "np --no-yarn",
     "test": "mocha",
-    "watch": "typebundle \"src/{cli,index}.ts\" --output dist --target 8 --watch"
+    "watch": "typebundle \"src/{cli,index}.ts\" --output dist --target 10 --watch"
   },
   "repository": {
     "type": "git",