Update hooks.rst
Update hooks.rst

Fix Software Update plugin link, it was pointing to an old github page --> https://github.com/OctoPrint/OctoPrint-SoftwareUpdate
instead of the bundled plugin--> https://github.com/foosel/OctoPrint/tree/master/src/octoprint/plugins/softwareupdate
foosel/OctoPrint,Jaesin/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,Jaesin/OctoPrint,Jaesin/OctoPrint,Jaesin/OctoPrint