Scalable Topics: new typed C++ SDK (`pulsar::st`) — API definition #1204

Job	Run time
Formatting Check	1m 43s
Build the Wireshark dissector (ubuntu-latest)	29s
Run unit tests	16m 47s
Lint	23m 24s
Build CPP Client on Windows x64	20m 15s
Build CPP Client on Windows x86	16m 59s
Build CPP Client on macOS with static dependencies	2m 26s
Build RPM x86_64	23m 36s
Build Deb x86_64	23m 6s
Build Alpine x86_64	29m 10s
Build with the C++20 standard	6m 8s
Check Completion	4s
	2h 44m 7s

Provide feedback