Bump macos runner image to 14 #862

Job	Run time
Formatting Check	2m 39s
Build CPP Client on macOS	32m 16s
Run unit tests	18m 11s
Build the Wireshark dissector (ubuntu-20.04)	35s
Build with the C++20 standard	5m 26s
Build CPP Client on macOS with static dependencies	5s
Build CPP Client on Windows x64	33m 20s
Build RPM x86_64	10m 4s
Build CPP Client on Windows x86	31m 2s
Build Deb x86_64	10m 49s
Build Alpine x86_64	10m 57s
Check Completion	1s
	2h 35m 25s

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