Add /usr/bin/c++ symlink for the selected compiler #139

Job	Run time
build (linux/amd64, ubuntu-24.04, noble, gcc, 14)	3m 19s
build (linux/amd64, ubuntu-24.04, noble, clang, 19)	2m 38s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 16)	2m 0s
build (linux/amd64, ubuntu-24.04, noble, clang, 16)	2m 22s
build (linux/amd64, ubuntu-24.04, noble, clang, 17)	2m 41s
build (linux/amd64, ubuntu-24.04, noble, clang, 18)	3m 47s
build (linux/arm64, ubuntu-24.04-arm, noble, gcc, 13)	1m 50s
build (linux/amd64, ubuntu-24.04, noble, gcc, 13)	2m 37s
build (linux/arm64, ubuntu-24.04-arm, noble, gcc, 14)	1m 53s
build (linux/arm64, ubuntu-24.04-arm, jammy, gcc, 12)	1m 45s
build (linux/amd64, ubuntu-24.04, jammy, gcc, 12)	2m 28s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 18)	2m 8s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 17)	1m 55s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 19)	2m 10s
merge	0s
	33m 33s

Provide feedback