Bump TerminalGuiVersion to 2.4.9-develop.1 #214

Job	Run time
resolve-version	12s
build-and-test (windows-latest, win-arm64)	3m 26s
build-and-test (ubuntu-latest, linux-x64)	1m 39s
build-and-test (macos-latest, osx-arm64)	1m 33s
build-and-test (windows-latest, win-x64)	4m 19s
pack-and-publish	31s
release-assets	0s
notify-downstream	5m 14s
notify-failure	-1s
	16m 53s

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