ci: add job to verify binary size #1387

Job	Run time
build mdbook guide	1m 36s
build and check docs [x64-windows]	9m 34s
build artifacts [x64-linux]	6m 7s
build openhcl [aarch64-linux]	5m 29s
build openhcl [x64-linux]	7m 56s
clippy [windows], unit tests [x64-windows]	12m 41s
clippy [linux, macos], unit tests [x64-linux]	8m 18s
unit tests [aarch64-windows]	6m 56s
clippy [linux-musl, misc nostd], unit tests [x64-linux-musl]	7m 24s
build and check docs [x64-linux]	2m 53s
test flowey local backend	3m 8s
xtask fmt (linux)	2m 25s
build artifacts (not for VMM tests) [aarch64-windows]	5m 55s
build artifacts (for VMM tests) [aarch64-windows]	10m 3s
build artifacts (not for VMM tests) [x64-windows]	6m 1s
build artifacts (for VMM tests) [x64-windows]	9m 19s
build artifacts [aarch64-linux]	5m 26s
xtask fmt (windows)	5m 34s
run vmm-tests [aarch64-windows]	6m 15s
verify openhcl binary size [x64]	2m 44s
run vmm-tests [x64-windows-amd]	5m 28s
run vmm-tests [x64-windows-intel]	4m 59s
run vmm-tests [x64-linux]	3m 42s
openvmm checkin gates	8s
	2h 20m 1s

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