Support for compile_commands.json/clangd #319

Job	Run time
Build (docker-linux-arm64)	36m 14s
Build (docker-linux-x64)	47m 41s
Build (linux-arm64)	15m 43s
Build (macos-arm64)	24m 57s
Build (windows-x64)	37m 23s
Build (linux-x64)	28m 50s
Build (macos-x64)	19m 14s
Build (cpp-example-collection-linux-arm64)	4m 51s
Build (cpp-example-collection-x64)	4m 9s
	3h 39m 2s

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