Bump codecov/codecov-action from 5.5.3 to 6.0.0 #4712

Job	Run time
pre-commit / pre-commit	2m 24s
pre-commit / link-check	38s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 3s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 32s
mac / clang-build (Release)	1m 42s
mac / clang-build (Debug)	3m 15s
windows / msvc-build (Release)	1m 47s
ubuntu / clang-build (ubuntu-24.04)	3m 5s
windows / msvc-build (Debug)	3m 34s
windows / clang-build	4m 13s
ubuntu / gcc-test (ubuntu-24.04)	8m 28s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 34s
ubuntu / clang-test (ubuntu-24.04)	8m 29s
mac / clang-test	4m 13s
windows / msvc-test	4m 35s
windows / clang-test	3m 16s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 48s
mac / clang-test-extended	2m 54s
windows / msvc-test-extended	3m 7s
windows / clang-test-extended	2m 56s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 51s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 32s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 29s
ubuntu / gcc-build-codecov	7m 22s
perf / macos-clang-build-perf-stats	1m 55s
perf / ubuntu-gcc-build-perf-stats	1m 34s
pages / build-doxygen-xml	19s
pages / build-scoreboard	15s
pages / build-sphinx	42s
pages / deploy-pages	0s
	1h 33m 32s

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