versoin bump to 1.15.0 #144

Job	Run time
clone-windows	24s
build-slideplayer-windows	17s
build-oscilloscope-windows	1m 59s
build-dataparser-windows	1m 2s
build-firmwareinstaller-windows	1m 59s
build-installer-windows	0s
upload-artifact-windows	-1s
	5m 40s

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