cmpv2

tls_codec: implement `U24` (#1284) #879

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 51s
build (1.65.0, wasm32-unknown-unknown)	1m 50s
build (stable, thumbv7em-none-eabi)	26s
build (stable, wasm32-unknown-unknown)	25s
test (1.65.0)	10m 4s
test (stable)	7m 34s
minimal-versions / minimal-versions	5m 38s
	27m 48s

Provide feedback