Add Codecov token to coverage report upload #4142

Job	Run time
pre-commit / pre-commit	1m 12s
ubuntu / clang-build (ubuntu-24.04)	2m 37s
ubuntu / clang-build (ubuntu-24.04-arm)	2m 1s
windows / clang-build	3m 25s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 4s
mac / clang-build (Release)	3m 21s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 49s
windows / msvc-build (Release)	4m 2s
mac / clang-build (Debug)	2m 31s
windows / msvc-build (Debug)	2m 48s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 17s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	1m 42s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 32s
ubuntu / clang-test (ubuntu-24.04-arm)	8m 17s
ubuntu / clang-test (ubuntu-24.04)	8m 24s
mac / clang-test	5m 33s
windows / clang-test	2m 52s
ubuntu / gcc-test (ubuntu-24.04-arm)	8m 29s
ubuntu / gcc-test (ubuntu-24.04)	8m 25s
windows / msvc-test	4m 45s
windows / clang-test-extended	3m 2s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 56s
mac / clang-test-extended	3m 32s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 31s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 47s
ubuntu / clang-test-extended (ubuntu-24.04)	4m 30s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	4m 32s
ubuntu / gcc-test-extended (ubuntu-24.04)	4m 29s
windows / msvc-test-extended	2m 55s
ubuntu / gcc-build-codecov	7m 31s
perf / ubuntu-gcc-build-perf-stats	1m 23s
perf / macos-clang-build-perf-stats	2m 23s
pages / build-doxygen-xml	31s
pages / build-scoreboard	19s
pages / build-sphinx	3m 10s
pages / deploy-pages	13s
	2h 8m 50s

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