Bump vmactions/netbsd-vm from 1.2.1 to 1.2.3 #237

Job	Run time
Minimal supported Rust version	5s
unix (ubuntu, stable, master, debug)	1m 37s
unix (ubuntu, stable, master, debug-static)	1m 19s
unix (ubuntu, stable, master, boringssl-static)	3m 57s
unix (ubuntu, stable, master, aws-lc-static)	4m 4s
unix (ubuntu, stable, master, aws-lc)	4m 19s
unix (ubuntu, stable, master, boringssl)	4m 17s
unix (ubuntu, stable, master, release)	1m 39s
unix (ubuntu, stable, stable-1.28, boringssl-static)	6m 52s
unix (ubuntu, stable, stable-1.28, debug-static)	3m 45s
unix (ubuntu, stable, stable-1.28, release)	4m 25s
unix (ubuntu, 1.81.0, stable-1.28, debug)	5m 35s
unix (ubuntu, stable, stable-1.28, debug)	4m 58s
unix (ubuntu, stable, stable-1.28, boringssl)	6m 30s
unix (ubuntu, stable, stable-1.26, debug)	4m 8s
unix (macos, stable, stable-1.28, debug)	7m 0s
	1h 4m 30s

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