shared: Introduce max_message_size_… features #1186

Job	Run time
check-style	14s
generate-fstar	1m 59s
unit-tests-default	55s
unit-tests (lakers-crypto/psa, ead-none)	1m 3s
unit-tests (lakers-crypto/psa, ead-authz)	54s
unit-tests (lakers-crypto/rustcrypto, ead-none)	44s
unit-tests (lakers-crypto/rustcrypto, ead-authz)	43s
test-lakers-python	52s
build-coap-example	51s
build-edhoc-package (lakers-crypto/psa)	1m 21s
build-example-for-cortex-m4 (crypto-psa)	1m 28s
build-lakers-c (crypto-rustcrypto)	1m 33s
build-edhoc-package (lakers-crypto/psa-baremetal)	1m 31s
build-example-for-cortex-m4 (crypto-cryptocell310)	1m 50s
build-lakers-c (crypto-psa-baremetal)	2m 4s
build-edhoc-package (lakers-crypto/cryptocell310)	1m 12s
build-lakers-c-example	1m 44s
build-lakers-c (crypto-cryptocell310)	1m 32s
build-edhoc-package (lakers-crypto/rustcrypto)	1m 5s
run-example-on-qemu (crypto-psa)	2m 30s
release	1s
	26m 6s

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