chore!: drop support for Node 10 (#165)

Author: ehmicky

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [12.x, 15.x]
 
     steps:
       - uses: actions/checkout@v2

package.json

@@ -30,7 +30,7 @@
     "puppeteer": "^8.0.0"
   },
   "engines": {
-    "node": ">=v10.22.1"
+    "node": ">=12.13.0"
   },
   "repository": {
     "type": "git",