Upgrade Golang to 1.20.7
This MR updates the Golang version in .tool-versions from 1.20.6 to 1.20.7 to reduce the number of Golang versions we need to install and manage in GDK.
Edited by Nao Hashizume
This MR updates the Golang version in .tool-versions from 1.20.6 to 1.20.7 to reduce the number of Golang versions we need to install and manage in GDK.