correct c++20 job name #1375

Job	Run time
coverage - measure	2m 0s
android	4m 0s
C++20 (debian, bookworm)	3m 48s
conan - linux - x86_64	1m 26s
conan - linux - armhf	6m 8s
ios	2m 18s
macosx	3m 1s
linux - debian:bullseye \|	3m 32s
linux - debian:bullseye \| arm32	5m 3s
msvs	3m 44s
linux - debian:bullseye \| arm64	2m 33s
sanitizer - debian:bookworm -	3m 0s
linux - debian:bookworm \|	3m 31s
msys2 - mingw32	2m 52s
linux - debian:bookworm \| arm32	6m 6s
sanitizer - debian:bookworm - arm32	1s
msys2 - mingw64	3m 5s
linux - debian:bookworm \| arm64	5m 33s
linux - ubuntu:jammy \|	3m 50s
linux - ubuntu:noble \|	3m 33s
linux - igagis/raspbian:bookworm \| arm32	1s
	1h 9m 5s

Provide feedback