added delayhook to fix delay-load issues #159

Job	Run time
build-github-hosted (ubuntu-20.04)	22s
build-rpi0	4m 12s
build-mac (mac-arm64)	15s
build-mac (mac-x86_64)	16s
build-self-hosted (rpi2)	5m 15s
build-self-hosted (rpi3-32)	4m 29s
build-windows	3m 30s
build-self-hosted (rpi3-64)	3m 35s
build-self-hosted (rpi4-32)	1m 35s
build-self-hosted (rpi4-64)	1m 34s
build-self-hosted (rpi5-64)	41s
build-self-hosted (jetson)	1m 27s
build-self-hosted (beaglebone)	7m 1s
collect-artifacts	11s
	34m 23s

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