Upgrade to marlin-bugfix-2.0.x version

.github/FUNDING.yml

.github/code_of_conduct.md

.github/contributing.md

.github/issue_template.md

.github/lock.yml

.github/pull_request_template.md

.github/workflows/test-builds.yml

Firmware/Robin_nano35.bin

Firmware/mks_pic/bmp_bed_state.bin

Firmware/mks_pic/bmp_ext2_state.bin

Firmware/mks_pic/bmp_machine_para.bin

Firmware/mks_pic/bmp_operate.bin

Firmware/mks_pic/bmp_resume.bin

Firmware/mks_pic/bmp_stop.bin

Firmware/mks_pic/bmp_time_state.bin

LICENSE

Marlin/Configuration.h

Marlin/Configuration_adv.h

Marlin/Version.h

Marlin/src/HAL/AVR/HAL.h