Abandoned plugins looking for a new maintainer

The following plugins have been reported as abandoned by their maintainer and are looking for someone to adopt them. If you want to take over maintenance of one, please get in touch in the linked ticket!

Plugin	Abandonment ticket
Active Filters	https://github.com/OctoPrint/plugins.octoprint.org/issues/711
Autocalibration	https://github.com/OctoPrint/plugins.octoprint.org/issues/800
AutomaticShutdown	https://github.com/OctoPrint/plugins.octoprint.org/issues/646
CR-10 Leveling	https://github.com/OctoPrint/plugins.octoprint.org/issues/843
Cost estimator	https://github.com/OctoPrint/plugins.octoprint.org/issues/608
Filament Sensor Reloaded	https://github.com/OctoPrint/plugins.octoprint.org/issues/687
Filetypes	https://github.com/OctoPrint/plugins.octoprint.org/issues/796
Growl	https://github.com/OctoPrint/plugins.octoprint.org/issues/624
M33 Fio	https://github.com/OctoPrint/plugins.octoprint.org/issues/411
OctoPrint-WebcamStreamer	https://github.com/OctoPrint/plugins.octoprint.org/issues/807