Merge #4301 Treat throttled remote version file as inflation error #845

Job	Run time
check-dev-build	2s
sign-assets / smoke-inflator / build-release / build	1m 26s
sign-assets / test-release / build-debug / build	1m 23s
sign-assets / test-release / test-build	1m 6s
sign-assets / smoke-inflator / smoke-test-inflator	51s
sign-assets / sign	41s
upload-release-s3	12s
upload-inflator	2m 27s
upload-dmg	28s
upload-deb	40s
upload-metadata-tester	1m 11s
upload-rpm	31s
	10m 58s

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