Added API server to request shutdown #1909

Job	Run time
Check codespell conformance	24s
Check Docker image (Debug)	2m 59s
Check Docker image (Release)	3m 4s
Check capio-server clang-format conformance	22s
Check capio-common clang-format conformance	12s
Check capio-posix clang-format conformance	18s
Check capio-tests clang-format conformance	17s
Build Debug with g++-10	2m 47s
Build Debug with clang-16	2m 46s
Build Debug with clang-15	2m 38s
Build Debug with clang-17	3m 22s
Build Debug with g++-11	2m 29s
Build Debug with clang-13	2m 34s
Build Debug with g++-13	3m 16s
Build Debug with clang-14	2m 49s
Build Debug with clang-18	3m 0s
Build Debug with g++-12	2m 45s
Build Release with clang-15	3m 24s
Build Release with g++-11	3m 3s
Build Release with clang-17	3m 42s
Build Release with clang-16	3m 36s
Build Release with clang-13	3m 21s
Build Release with clang-14	2m 55s
Build Release with g++-12	2m 44s
Build Release with g++-10	2m 42s
Build Release with g++-13	3m 26s
Build Release with clang-18	3m 12s
Codecov report upload	0s
	1h 8m 7s

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