chore(stdlib): Simplify `Float32.Infinity` and `Float32.NaN` definitions #8696

Job	Run time
Build and test on windows-latest / Dependencies / Create dependencies cache	10s
Build and test on macos-latest / Dependencies / Create dependencies cache	8s
Build and test on ubuntu-latest / Dependencies / Create dependencies cache	5s
Build and test on ubuntu-latest / (js) Build and test / (js) Build and test	12m 29s
Build and test on ubuntu-latest / (native) Build and test / (native) Build and test	6m 14s
Build and test on macos-latest / (js) Build and test / (js) Build and test	27m 8s
Build and test on macos-latest / (native) Build and test / (native) Build and test	12m 34s
Build and test on windows-latest / (js) Build and test / (js) Build and test	38m 38s
Build and test on windows-latest / (native) Build and test / (native) Build and test	36m 38s
Test pkg binaries / Test pkg binary on ubuntu-latest	4m 18s
Test pkg binaries / Test pkg binary on macos-latest	6m 20s
Test pkg binaries / Test pkg binary on windows-latest	23s
	2h 25m 5s

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