build

Upgrade go sdk to 0.85.0 #18338

Job	Run time
cleanups	3s
lint	1m 34s
tests (macos-latest, direct)	5m 4s
tests (windows-latest, direct)	7m 22s
tests (windows-latest, terraform)	17m 2s
tests (ubuntu-latest, direct)	3m 39s
tests (macos-latest, terraform)	10m 9s
validate-python-codegen	10s
validate-generated-is-up-to-date	1m 51s
tests (ubuntu-latest, terraform)	10m 36s
	57m 30s

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