API rework #627

Job	Run time
Check c99 compilation	31s
Run unit tests on ubuntu-latest	38s
Check codebase format with clang-format	3s
Build raweth transport on ubuntu-latest	11s
Build Zenoh from source	5m 40s
Build and test in single thread on ubuntu-latest	37s
Build and test without attachment on ubuntu-latest	44s
Modular build on ubuntu-latest (1, 1, 1, 1)	38s
Test multicast and unicast fragmentation	1m 4s
Modular build on ubuntu-latest (1, 1, 1, 0)	48s
Modular build on ubuntu-latest (1, 1, 0, 1)	36s
Modular build on ubuntu-latest (1, 1, 0, 0)	33s
Modular build on ubuntu-latest (1, 0, 1, 1)	39s
Modular build on ubuntu-latest (1, 0, 1, 0)	34s
Modular build on ubuntu-latest (1, 0, 0, 1)	35s
Modular build on ubuntu-latest (1, 0, 0, 0)	40s
Modular build on ubuntu-latest (0, 1, 1, 1)	28s
Modular build on ubuntu-latest (0, 1, 1, 0)	22s
Modular build on ubuntu-latest (0, 1, 0, 1)	24s
Modular build on ubuntu-latest (0, 1, 0, 0)	21s
Modular build on ubuntu-latest (0, 0, 1, 1)	26s
Modular build on ubuntu-latest (0, 0, 1, 0)	22s
Modular build on ubuntu-latest (0, 0, 0, 1)	25s
Modular build on ubuntu-latest (0, 0, 0, 0)	21s
	17m 40s

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