Pin dependency @gitlab/stylelint-config to 2.2.0

package.json

@@ -168,7 +168,7 @@
   "devDependencies": {
     "@babel/plugin-transform-modules-commonjs": "^7.10.1",
     "@gitlab/eslint-plugin": "8.1.0",
-    "@gitlab/stylelint-config": "^2.2.0",
+    "@gitlab/stylelint-config": "2.2.0",
     "@testing-library/dom": "^7.16.2",
     "@vue/test-utils": "1.1.2",
     "acorn": "^6.3.0",

yarn.lock

@@ -889,7 +889,7 @@
   resolved "https://registry.yarnpkg.com/@gitlab/favicon-overlay/-/favicon-overlay-2.0.0.tgz#2f32d0b6a4d5b8ac44e2927083d9ab478a78c984"
   integrity sha512-GNcORxXJ98LVGzOT9dDYKfbheqH6lNgPDD72lyXRnQIH7CjgGyos8i17aSBPq1f4s3zF3PyedFiAR4YEZbva2Q==
 
-"@gitlab/stylelint-config@^2.2.0":
+"@gitlab/stylelint-config@2.2.0":
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/@gitlab/stylelint-config/-/stylelint-config-2.2.0.tgz#f0139c8bd29525b51ee9f16d26b66283bd2be5bb"
   integrity sha512-yLBwRu/geN7nGzoOtF6VV2Fbjhcu2w3PwVnJ5/6wX3MILLO7Wh8zzurIjjSnls8124WUoD7n51Catrjl0hyqDw==