Update MSVC OpenMP flags #3080

Job	Run time
lint / python-lint	5s
lint / shell-lint	12s
lint / clang-format	8s
ubuntu / ubuntu-clang-build (ubuntu-24.04-arm)	2m 43s
ubuntu / ubuntu-clang-build (ubuntu-24.04)	2m 19s
ubuntu / ubuntu-gcc-build (ubuntu-24.04, Release)	1m 18s
ubuntu / ubuntu-gcc-build (ubuntu-24.04-arm, Debug)	3m 15s
ubuntu / ubuntu-gcc-build (ubuntu-24.04, Debug)	1m 16s
ubuntu / ubuntu-gcc-build (ubuntu-24.04-arm, Release)	2m 38s
windows / windows-clang-build	2m 41s
windows / windows-msvc-build (Debug)	6m 11s
mac / macos-clang-build (Release)	2m 17s
windows / windows-msvc-build (Release)	3m 9s
mac / macos-clang-build (Debug)	2m 21s
windows / windows-clang-test	2m 21s
ubuntu / ubuntu-clang-test (ubuntu-24.04)	4m 44s
ubuntu / ubuntu-clang-sanitizer-build (ubuntu-24.04)	9m 47s
ubuntu / ubuntu-clang-test (ubuntu-24.04-arm)	7m 8s
mac / macos-clang-test	3m 32s
ubuntu / ubuntu-gcc-test (ubuntu-24.04)	4m 41s
ubuntu / ubuntu-gcc-test (ubuntu-24.04-arm)	4m 49s
windows / windows-clang-test-extended	2m 40s
windows / windows-msvc-test	3m 41s
mac / macos-clang-test-extended	2m 26s
ubuntu / ubuntu-clang-test-extended (ubuntu-24.04-arm)	4m 9s
ubuntu / ubuntu-clang-test-extended (ubuntu-24.04)	2m 55s
windows / windows-msvc-test-extended	2m 30s
ubuntu / ubuntu-gcc-test-extended (ubuntu-24.04)	2m 43s
ubuntu / ubuntu-gcc-test-extended (ubuntu-24.04-arm)	4m 0s
ubuntu / ubuntu-clang-sanitizer-test (ubuntu-24.04)	2m 49s
ubuntu / ubuntu-gcc-build-codecov	3m 42s
ubuntu / ubuntu-clang-sanitizer-test-extended (ubuntu-24.04)	1m 51s
perf / ubuntu-gcc-build-perf-stats	1m 36s
	1h 42m 37s

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