Add SDP protos to support DTLS #56

Job	Run time
Build RPM / Build	9m 55s
Build DEB (bookworm, amd64) / Build	2m 16s
Build DEB (bullseye, amd64) / Build	1m 55s
Build DEB (bookworm, armhf) / Build	24m 5s
Build DEB (bullseye, armhf) / Build	23m 3s
Build DEB (buster, amd64) / Build	1m 56s
Build DEB (buster, armhf) / Build	22m 20s
Build DEB (stretch, amd64) / Build	2m 5s
Build DEB (stretch, armhf) / Build	21m 33s
Copy to remote RPM	0s
Meta RPM	0s
Copy meta to remote RPM	0s
Copy hash to remote RPM	0s
Copy to remote DEB	0s
Meta DEB	0s
Copy meta to remote DEB	0s
Copy hash to remote DEB	0s
	1h 49m 8s

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