NB! It seems this console command is not compatible with CS2.
Command Profile

MP_GGTR_NUM_ROUNDS_AUTOPROGRESS

CS:GO

This command sets how many rounds a player must go without an upgrade before an upgrade is automatically given to them. Default is 3, meaning if a player went for 3 rounds in Arms Race mode without an upgrade, then they would automatically receive an upgrade on the fourth.

Syntax
mp_ggtr_num_rounds_autoprogress [Amount]

Description

This command sets how many rounds a player must go without an upgrade before an upgrade is automatically given to them. Default is 3, meaning if a player went for 3 rounds in Arms Race mode without an upgrade, then they would automatically receive an upgrade on the fourth.

Syntax And Arguments

mp_ggtr_num_rounds_autoprogress [Amount]
Amount The amount of rounds a player should go without an upgrade before automatically being given one (Arms Race).