Bump actions/setup-node from 6 to 7 (#318)

Author: jason-fox

.github/workflows/prettier.yml

@@ -23,7 +23,7 @@ jobs:
           ref: ${{ github.ref }}
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           node-version: '18.x'
           cache: 'npm'