chore(32662): fix nonce

Author: vanch3d

.github/workflows/check-frontend.yml

@@ -210,7 +210,7 @@ jobs:
 
       - id: percy
         run: |
-          echo "nonce=$(date +'%Y-%m-%d')" >> "$GITHUB_OUTPUT"
+          echo "nonce=$(date +'%s')" >> "$GITHUB_OUTPUT"
 
   percy_matrix:
     needs: percy_prepare