Update go version and re-vendor #170

Job	Run time
pre-check	4m 3s
bundle-commands	3m 19s
build-all-delta-packs	3m 39s
build-multiple-delta-packs	4m 0s
build-delta-manifests	3m 58s
clean-rebuild	3m 44s
config-conversion	3m 21s
contentsize-check	3m 26s
content-chroot	3m 59s
create-mix-with-blended-content	5m 47s
update-mix-add-remove-bundles	11m 25s
clr-installer-config	3m 17s
create-mix-with-custom-content	4m 6s
customize-os-release	5m 15s
export-flag	4m 39s
manual-format-bump-flow	3m 41s
manual-upstream-format-bump-flow	3m 47s
no-delta-manifests-over-format-bump	3m 54s
no-delta-packs-over-format-bump	3m 51s
no-state-variables-in-full	3m 11s
state-conversion	4m 22s
test-format-bump	4m 27s
update-mixver-offline	3m 38s
upstream-format-bump	4m 7s
	1h 42m 56s

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