Update MSVC OpenMP flags (#480) #3086

Job	Run time
lint / python-lint	6s
lint / clang-format	9s
lint / shell-lint	10s
ubuntu / ubuntu-gcc-build (ubuntu-24.04, Release)	11m 49s
ubuntu / ubuntu-gcc-build (ubuntu-24.04, Debug)	1m 28s
mac / macos-clang-build (Release)	2m 5s
windows / windows-clang-build	3m 14s
mac / macos-clang-build (Debug)	2m 9s
ubuntu / ubuntu-gcc-build (ubuntu-24.04-arm, Debug)	3m 7s
ubuntu / ubuntu-clang-build (ubuntu-24.04)	2m 27s
ubuntu / ubuntu-clang-build (ubuntu-24.04-arm)	2m 2s
ubuntu / ubuntu-gcc-build (ubuntu-24.04-arm, Release)	3m 27s
windows / windows-msvc-build (Release)	8m 34s
windows / windows-msvc-build (Debug)	6m 7s
windows / windows-clang-test	1m 52s
mac / macos-clang-test	3m 41s
ubuntu / ubuntu-clang-sanitizer-build (ubuntu-24.04)	1m 22s
ubuntu / ubuntu-clang-test (ubuntu-24.04-arm)	5m 50s
ubuntu / ubuntu-clang-test (ubuntu-24.04)	5m 41s
windows / windows-clang-test-extended	3m 42s
ubuntu / ubuntu-clang-sanitizer-test (ubuntu-24.04)	2m 29s
mac / macos-clang-test-extended	2m 26s
windows / windows-msvc-test	3m 34s
ubuntu / ubuntu-clang-sanitizer-test-extended (ubuntu-24.04)	1m 40s
ubuntu / ubuntu-clang-test-extended (ubuntu-24.04-arm)	4m 1s
ubuntu / ubuntu-clang-test-extended (ubuntu-24.04)	2m 50s
windows / windows-msvc-test-extended	2m 44s
ubuntu / ubuntu-gcc-test (ubuntu-24.04-arm)	5m 35s
ubuntu / ubuntu-gcc-test (ubuntu-24.04)	4m 46s
ubuntu / ubuntu-gcc-test-extended (ubuntu-24.04-arm)	3m 12s
ubuntu / ubuntu-gcc-test-extended (ubuntu-24.04)	2m 34s
ubuntu / ubuntu-gcc-build-codecov	5m 0s
perf / ubuntu-gcc-build-perf-stats	1m 26s
	1h 51m 19s

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