feat: drop support for node 8

BREAKING CHANGE: drop support for node 8

Author: G-Rath

.github/workflows/checks.yaml

@@ -33,12 +33,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [8.x, 10.x, 12.x, 13.x, 14.x]
+        node-version: [10.x, 12.x, 13.x, 14.x]
         eslint-version: [6, 7]
-        exclude:
-          # eslint@7 doesn't support node@8
-          - node-version: 8.x
-            eslint-version: 7
     runs-on: ubuntu-latest
 
     steps:

package.json

@@ -127,7 +127,7 @@
     "eslint": ">=5"
   },
   "engines": {
-    "node": ">=8"
+    "node": ">=10"
   },
   "release": {
     "plugins": [