Bump admin stylesheet cache key

karldns/web/templates_admin.py

@@ -132,7 +132,7 @@ def _render_admin_page(
           </section>
         </main>
         """),
-        extra_styles=trusted('<link href="/admin.css?v=2" rel="stylesheet">'),
+        extra_styles=trusted('<link href="/admin.css?v=3" rel="stylesheet">'),
         extra_scripts=trusted('<script src="/admin-tables.js?v=2" defer></script>'),
     )