Update CI job

.gitlab-ci.yml

@@ -10,6 +10,6 @@ lint:
   stage: lint
   image: node:12
   before_script:
-    - npm install prettier --no-save
+    - npm install
   script:
     - npx prettier '**/*.yml' --check

package-lock.json

@@ -0,0 +1,33 @@
+{
+  "name": "development",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "prettier": "^2.6.2"
+      }
+    },
+    "node_modules/prettier": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.6.2.tgz",
+      "integrity": "sha512-PkUpF+qoXTqhOeWL9fu7As8LXsIUZ1WYaJiY/a7McAQzxjk82OF0tibkFXVCDImZtWxbvojFjerkiLb0/q8mew==",
+      "bin": {
+        "prettier": "bin-prettier.js"
+      },
+      "engines": {
+        "node": ">=10.13.0"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    }
+  },
+  "dependencies": {
+    "prettier": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.6.2.tgz",
+      "integrity": "sha512-PkUpF+qoXTqhOeWL9fu7As8LXsIUZ1WYaJiY/a7McAQzxjk82OF0tibkFXVCDImZtWxbvojFjerkiLb0/q8mew=="
+    }
+  }
+}

package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "prettier": "^2.6.2"
+  }
+}