ci(ci.yml): pass USERSTYLES_TOKEN secret to access gh api (catppuccin#1543)

Author: uncenter

.github/workflows/ci.yml

@@ -38,6 +38,8 @@ jobs:
 
       - name: Update generated files
         run: deno task generate
+        env:
+          GITHUB_TOKEN: ${{ secrets.USERSTYLES_TOKEN }}
 
       - name: Commit changes
         uses: EndBug/add-and-commit@v9