Run prettier in dry mode [no ci]

Author: adriaandotcom

.github/workflows/testing.yml

@@ -63,6 +63,7 @@ jobs:
       - name: Prettier Action on PR
         uses: creyD/[email protected]
         with:
+          dry: true
           prettier_options: "--write {**/*,*}.{js,hbs,html,json,md,yml,css,scss} !.github/workflows/**/* !dist/**/*"
           commit_message: "Run prettier via GitHub Action"
           file_pattern: "."