Handle pinned dependency failures in upgrade previews #45680

Job	Run time
syntax	2m 35s
vendored gems	49s
tap syntax	6m 18s
analytics (Linux)	43s
bundle and services (Linux)	3m 4s
update-test (macOS)	50s
cask audit	2m 56s
bundle and services (macOS)	3m 20s
update-test (Linux)	36s
formula audit	7m 59s
analytics (macOS)	51s
test-bot (Linux x86_64)	4m 4s
tests (online)	13m 13s
tests (generic OS)	10m 43s
test-bot (macOS x86_64)	13m 54s
test-bot (Linux Homebrew glibc)	8m 8s
test-bot (macOS arm64)	5m 22s
test-bot (Linux arm64)	3m 57s
tests (macOS)	24m 14s
test-bot (Linux containerless)	7m 43s
tests (Linux)	11m 31s
	2h 12m 50s

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