chore(stdlib): Improve examples in `Array` module #8641

Job	Run time
Build and test on macos-latest / Dependencies / Create dependencies cache	9s
Build and test on windows-latest / Dependencies / Create dependencies cache	14s
Build and test on ubuntu-latest / Dependencies / Create dependencies cache	3s
Build and test on ubuntu-latest / (native) Build and test / (native) Build and test	6m 10s
Build and test on ubuntu-latest / (js) Build and test / (js) Build and test	13m 1s
Build and test on macos-latest / (js) Build and test / (js) Build and test	15m 23s
Build and test on macos-latest / (native) Build and test / (native) Build and test	11m 6s
Build and test on windows-latest / (js) Build and test / (js) Build and test	15m 26s
Build and test on windows-latest / (native) Build and test / (native) Build and test	36m 32s
Test pkg binaries / Test pkg binary on ubuntu-latest	4m 36s
Test pkg binaries / Test pkg binary on macos-latest	6m 33s
Test pkg binaries / Test pkg binary on windows-latest	22s
	1h 49m 35s

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