Bump the C++ standard to 17 #995

Job	Run time
Formatting Check	1m 38s
Build the Wireshark dissector (ubuntu-latest)	38s
Run unit tests	23m 18s
Lint	27m 8s
Build CPP Client on Windows x64	14m 54s
Build CPP Client on Windows x86	20m 19s
Build Alpine x86_64	15m 34s
Build with the C++20 standard	5m 11s
Build RPM x86_64	10m 52s
Build Deb x86_64	9m 8s
Build CPP Client on macOS with static dependencies	7m 34s
Check Completion	0s
	2h 16m 14s

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