Update build.yml

Author: LiamConnors

.github/workflows/build.yml

@@ -93,7 +93,7 @@ jobs:
           PERCY_TOKEN: ${{ secrets.PERCY_TOKEN }}
 
       - name: Remove files with invalid characters
-        run: find _site -name '*:*' -delete 2>/dev/null || true
+        run: rm -rf _site/https:* 2>/dev/null || true
 
       - name: Upload build artifact
         uses: actions/upload-artifact@v4