Bump actions/upload-artifact from 5 to 6 #4441

Job	Run time
pre-commit / check-file-sizes	4s
pre-commit / pre-commit	1m 17s
windows / msvc-build (Release)	1m 29s
mac / clang-build (Release)	3m 10s
ubuntu / clang-build (ubuntu-24.04)	3m 0s
windows / clang-build	3m 50s
ubuntu / clang-build (ubuntu-24.04-arm)	2m 27s
windows / msvc-build (Debug)	3m 25s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 57s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	1m 50s
mac / clang-build (Debug)	2m 35s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 7s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 19s
mac / clang-test	4m 11s
mac / clang-test-extended	3m 8s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 18s
ubuntu / clang-test (ubuntu-24.04)	8m 29s
ubuntu / clang-test (ubuntu-24.04-arm)	8m 29s
ubuntu / gcc-test (ubuntu-24.04-arm)	8m 23s
ubuntu / gcc-test (ubuntu-24.04)	8m 28s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 53s
windows / clang-test	3m 11s
windows / msvc-test	1m 22s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 37s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 28s
windows / clang-test-extended	2m 58s
windows / msvc-test-extended	0s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	4m 43s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 35s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	3m 58s
ubuntu / gcc-build-codecov	7m 17s
perf	0s
pages	0s
	1h 53m 58s

Provide feedback