changedetection-io: add missing dependency extruct

+1
+1
pkgs/by-name/ch/changedetection-io/package.nix
··· 30 dnspython 31 elementpath 32 eventlet 33 feedgen 34 flask 35 flask-compress
··· 30 dnspython 31 elementpath 32 eventlet 33 + extruct 34 feedgen 35 flask 36 flask-compress