Symfony assets cache bust

.htaccess

<IfModule mod_rewrite.c>
    RewriteEngine On
    # cache-bust assets url rewrite
    # URL substitution example:
    # http://example.com/v1/js/3785f80.js -> http://example.com/js/3785f80.js
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^v\d+\/(.+)$ $1 [L]
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteRule ^(.*)$ app.php [QSA,L]
</IfModule>