Update dependency dark-theme to v564 (#610)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

demo/plugins.txt

@@ -2,5 +2,5 @@
 simple-theme-plugin:196.v96d9592f4efa_
 login-theme:262.vb_4ce39d5279f
 # Common mode
-dark-theme:524.vd675b_22b_30cb_
+dark-theme:564.vf07c6a_db_3a_27
 theme-manager:262.vc57ee4a_eda_5d