chore!: Node v12+ required

Author: shellscape

.circleci/config.yml

@@ -24,9 +24,9 @@ jobs:
           key: dependency-cache-{{ checksum "package-lock.json" }}
           paths:
             - ./node_modules
-  node-v10-latest:
+  node-v12-latest:
     docker:
-      - image: rollupcabal/circleci-node-v10:latest
+      - image: rollupcabal/circleci-node-v12:latest
     steps:
       - checkout
       - restore_cache:
@@ -79,7 +79,7 @@ workflows:
           filters:
             tags:
               only: /.*/
-      - node-v10-latest:
+      - node-v12-latest:
           requires:
             - analysis
           filters:

package.json

@@ -10,7 +10,7 @@
   "bugs": "https://github.com/shellscape/postcss-less/issues",
   "main": "lib/index.js",
   "engines": {
-    "node": ">=10"
+    "node": ">=12"
   },
   "scripts": {
     "ci:coverage": "nyc npm run test && nyc report --reporter=text-lcov > coverage.lcov",