docs: update node upgrade doc (#13891)
docs: update node upgrade doc (#13891)

Updates the node upgrade doc to take path changes into account as well as to incorporate the new `get-patch` script which simplifies work significantly.

bpasero/electron,seanchas116/electron,electron/electron,shiftkey/electron,the-ress/electron,the-ress/electron,the-ress/electron,gerhardberger/electron,shiftkey/electron,shiftkey/electron,seanchas116/electron,bpasero/electron,gerhardberger/electron,bpasero/electron,the-ress/electron,shiftkey/electron,electron/electron,bpasero/electron,electron/electron,bpasero/electron,shiftkey/electron,gerhardberger/electron,gerhardberger/electron,gerhardberger/electron,bpasero/electron,electron/electron,electron/electron,shiftkey/electron,the-ress/electron,gerhardberger/electron,the-ress/electron,electron/electron,electron/electron,seanchas116/electron,bpasero/electron,seanchas116/electron,seanchas116/electron,seanchas116/electron,gerhardberger/electron,the-ress/electron