feat(stdlib): Add `Exception.toString` #9562

Job	Run time
Build and test on macos-latest / Dependencies / Create dependencies cache	6s
Build and test on windows-latest / Dependencies / Create dependencies cache	12s
Build and test on ubuntu-latest / Dependencies / Create dependencies cache	4s
Build and test on ubuntu-latest / (native) Build and test / (native) Build and test	5m 29s
Build and test on ubuntu-latest / (js) Build and test / (js) Build and test	13m 28s
Build and test on macos-latest / (native) Build and test / (native) Build and test	5m 14s
Build and test on macos-latest / (js) Build and test / (js) Build and test	27m 36s
Build and test on windows-latest / (native) Build and test / (native) Build and test	21m 19s
Build and test on windows-latest / (js) Build and test / (js) Build and test	39m 58s
Test pkg binaries / Test pkg binary on ubuntu-latest	58s
Test pkg binaries / Test pkg binary on macos-latest	1m 16s
Test pkg binaries / Test pkg binary on windows-latest	21s
	1h 56m 1s

Provide feedback