libnetconf2 CI

VERSION bump to version 3.3.0 #360

# to view logs

Run time

Learn about OS # on GitHub Actions

Job	Run time
Get git branch	1s
Release, gcc, OpenSSL	1m 24s
Release, gcc, MbedTLS	1m 47s
Release, clang	1m 24s
Debug, gcc, OpenSSL	3m 7s
Debug, gcc, MbedTLS	3m 58s
Debug, clang	2m 33s
No SSH nor TLS	1m 15s
ASAN and UBSAN, OpenSSL	1m 35s
ASAN and UBSAN, MbedTLS	1m 59s
ABI Check	1m 43s
	20m 46s