Fix ci and update engine in package

.circleci/config.yml

@@ -7,22 +7,12 @@ commands:
           name: Versions
           command: npm version
       - checkout
-      - restore_cache:
-          keys:
-            - v{{ .Environment.CIRCLE_CACHE_VERSION }}-{{ arch }}-npm-cache-{{ .Branch }}-{{ .Environment.CIRCLE_JOB }}
-            - v{{ .Environment.CIRCLE_CACHE_VERSION }}-{{ arch }}-npm-cache-master-{{ .Environment.CIRCLE_JOB }}
       - run:
           name: Install dependencies
-          command: npm ci
+          command: npm install
       - run:
           name: Test
           command: npm test
-  save-npm-cache:
-    steps:
-      - save_cache:
-          key: v{{ .Environment.CIRCLE_CACHE_VERSION }}-{{ arch }}-npm-cache-{{ .Branch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "package-lock.json" }}
-          paths:
-            - ~/.npm/_cacache
 jobs:
   node-v14:
     docker:

package.json

@@ -36,7 +36,7 @@
     "lib"
   ],
   "engines": {
-    "node": ">= 0.4.0"
+    "node": ">= 13.0.0"
   },
   "license": "MIT"
 }