[1.1.x] Limit PID autotune target to maxtemp-15#12703

thinkyhead merged 2 commits intoMarlinFirmware:bugfix-1.1.xMarlinFirmware/Marlin:bugfix-1.1.xfrom

rmoravcik:pr12691_1.1.xrmoravcik/Marlin:pr12691_1.1.xCopy head branch name to clipboard