Update codingstandard.yml

Author: mtoensing

.github/workflows/codingstandard.yml

@@ -19,7 +19,8 @@ jobs:
             - uses: actions/checkout@master
             - name: Build
               run: |
-                  npm install @wordpress/scripts --save-dev --save-exact @wordpress/scripts
-                  npm run lint-js
-                  npm run lint-css
-                  npm run build
+                  npm ci || npm i
+                  npm install @wordpress/scripts --save-dev --save-exact
+                  npx wp-scripts lint-js
+                  npx wp-scripts lint-style
+                  npx wp-scripts build