More keychain fixes #2994

Job	Run time
Check for Max SDK	1s
linux-x64-internal-release	7m 43s
macos-arm64-internal-release	9m 58s
linux-x64-internal-debug	6m 54s
macos-arm64-internal-debug	9m 6s
linux-x64-external-release	7m 47s
macos-arm64-external-release	9m 14s
macos-x64-internal-release	13m 25s
macos-x64-internal-debug	15m 26s
macos-x64-external-release	15m 18s
windows-x86-internal-release	11m 11s
windows-x86-internal-debug	9m 53s
maxplugin-${{ matrix.cfg.str }}-${{ matrix.cfg.sdk-version }}	0s
windows-x86-external-release	10m 53s
windows-x64-internal-release	12m 27s
windows-x64-internal-debug	10m 19s
windows-x64-external-release	11m 34s
	2h 41m 9s

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