let's add a reject delay #9808

Job	Run time
pre-ci	4s
v3.2.x-self-ubuntu24-linux-gcc-lean	2m 49s
v3.2.x-self-ubuntu24-linux-gcc	2m 42s
v3.2.x-self-ubuntu24-linux-gcc-reproducible	3m 8s
v3.2.x-self-ubuntu24-linux-gcc-O2-g3	3m 0s
v3.2.x-self-ubuntu24-linux-clang-lean	3m 55s
v3.2.x-self-ubuntu24-linux-clang	3m 8s
v3.2.x-self-ubuntu24-linux-clang-altlibs	3m 28s
v3.2.x-self-ubuntu24-linux-clang-reproducible	3m 14s
v3.2.x-self-ubuntu24-linux-clang-sanitizer	3m 28s
v3.2.x-self-ubuntu24-linux-clang-O2-g3	3m 27s
Merge preflight	0s
Merge into upstream	0s
	32m 23s

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