Bump TerminalGuiVersion to 2.4.8-develop.15 #205

Job	Run time
resolve-version	10s
build-and-test (ubuntu-latest, linux-x64)	1m 44s
build-and-test (windows-latest, win-arm64)	2m 49s
build-and-test (macos-latest, osx-arm64)	1m 10s
build-and-test (windows-latest, win-x64)	3m 48s
pack-and-publish	32s
release-assets	0s
notify-downstream	3m 34s
notify-failure	0s
	13m 47s

Provide feedback