Update SGX SDK to 2.20.100.4 #936

Job	Run time
lint	19s
clippy (stable)	1m 39s
clippy (beta)	1m 28s
sort	1m 4s
deny (advisories)	46s
deny (bans licenses sources)	55s
build (stable)	1m 44s
build-all-features (stable)	2m 3s
build (beta)	2m 20s
build-all-features (beta)	1m 52s
build (nightly-2022-12-13)	2m 10s
test (stable)	4m 33s
build-all-features (nightly-2022-12-13)	2m 38s
test (beta)	4m 35s
test (nightly-2022-12-13)	4m 37s
build-no-alloc (thumbv6m-none-eabi)	2m 25s
build-no-alloc (thumbv7m-none-eabi)	2m 2s
coverage	2m 33s
build-no-alloc (thumbv8m.main-none-eabi)	2m 5s
build-no-alloc (aarch64-linux-android)	2m 28s
build-no-alloc (aarch64-apple-ios)	2m 36s
build-no-alloc (wasm32-unknown-unknown)	2m 39s
doc (stable)	1m 43s
doc (beta)	1m 16s
notify	4s
	52m 34s

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