feat(stdlib): Add `**` operator to `Int32` module #8615

Job	Run time
Build and test on ubuntu-latest / Dependencies / Create dependencies cache	20m 21s
Build and test on macos-latest / Dependencies / Create dependencies cache	32m 9s
Build and test on windows-latest / Dependencies / Create dependencies cache	45m 3s
Build and test on ubuntu-latest / (native) Build and test / (native) Build and test	6m 6s
Build and test on ubuntu-latest / (js) Build and test / (js) Build and test	13m 16s
Build and test on macos-latest / (native) Build and test / (native) Build and test	14m 0s
Build and test on macos-latest / (js) Build and test / (js) Build and test	14m 49s
Build and test on windows-latest / (native) Build and test / (native) Build and test	17m 22s
Build and test on windows-latest / (js) Build and test / (js) Build and test	19m 7s
Test pkg binaries / Test pkg binary on ubuntu-latest	4m 26s
Test pkg binaries / Test pkg binary on macos-latest	8m 14s
Test pkg binaries / Test pkg binary on windows-latest	21s
	3h 15m 14s

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