Fix clang version detection, remove no longer needed -Wno-deprecated-… #101

Job	Run time
build (linux/amd64, ubuntu-24.04, noble, gcc, 13)	1m 24s
build (linux/amd64, ubuntu-24.04, noble, clang, 19)	1m 28s
build (linux/arm64, ubuntu-24.04-arm, jammy, gcc, 12)	1m 58s
build (linux/amd64, ubuntu-24.04, noble, clang, 16)	1m 30s
build (linux/amd64, ubuntu-24.04, noble, gcc, 14)	1m 40s
build (linux/amd64, ubuntu-24.04, noble, clang, 17)	1m 25s
build (linux/amd64, ubuntu-24.04, noble, clang, 18)	1m 28s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 16)	2m 7s
build (linux/arm64, ubuntu-24.04-arm, noble, gcc, 13)	2m 35s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 19)	2m 36s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 18)	2m 22s
build (linux/amd64, ubuntu-24.04, jammy, gcc, 12)	1m 42s
build (linux/arm64, ubuntu-24.04-arm, noble, clang, 17)	2m 46s
build (linux/arm64, ubuntu-24.04-arm, noble, gcc, 14)	2m 39s
merge	0s
	27m 40s

Provide feedback