build: add missing randomness checks #3124

Job	Run time
Lint	44s
ARM [GOAL install] [buster]	3m 12s
macOS 12 native [GOAL install] [GUI] [no depends]	7m 12s
Win32	3m 35s
Win64	5m 52s
i386 Linux [GOAL install] [focal]	2m 34s
x86_64 Linux [GOAL install] [GUI] [focal] [no depends]	14m 51s
x86_64 Linux [GOAL install] [GUI] [bionic] [no depends]	13m 20s
x86_64 Linux [ASan] [LSan] [UBSan] [integer] [jammy] [no depends]	5m 41s
macOS 10.14 [GOAL deploy] [GUI] [no tests] [focal]	9m 39s
	1h 6m 40s

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