Tyger

Improve multiple replica support #697

Job	Run time
get-config	3s
test-azure-needs-hosted-runner	1s
codeql (csharp)	2m 37s
build-windows-binaries	24s
codeql (go)	3m 54s
unit-tests-and-format	3m 33s
verify-docker	9m 2s
build-images	3m 14s
up	3m 38s
integration-tests	4m 41s
restore-scale-to-zero	2m 46s
windows-smoke-tests	53s
publishDocs	0s
release	0s
	34m 46s

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