Replace Roaring64Map with unordered_set to get rid of fat static library build issue #970

Job	Run time
Formatting Check	1m 40s
Build the Wireshark dissector (ubuntu-latest)	2m 24s
Lint	25m 47s
Run unit tests	22m 40s
Build CPP Client on Windows x64	30m 58s
Build CPP Client on Windows x86	31m 26s
Build CPP Client on macOS with static dependencies	7m 39s
Build with the C++20 standard	5m 40s
Build Deb x86_64	9m 22s
Build Alpine x86_64	15m 4s
Build RPM x86_64	10m 35s
Check Completion	3s
	2h 43m 18s

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