feat: error on multiple export defaults in module #5865

Job	Run time
macOS x86_64	3m 30s
macOS AArch64	1m 58s
Linux x86_64	5m 2s
Linux ARM	3m 9s
Linux AArch64	2m 50s
Windows x86	11m 47s
Windows x64	13m 37s
Windows ARM	2m 0s
Windows ARM64	2m 5s
test on Windows	11s
MSIX installer	1m 27s
Scoop package	20s
test on macOS 11	7s
Chocolatey package	23s
test on macOS 12	4s
test on Arch Linux	16s
test on Debian 11 Bullseye	5s
test on Debian 10 Buster	7s
test on Fedora 35	12s
test on Fedora 36	13s
test on Ubuntu 18.04 LTS Bionic	9s
test on Ubuntu 20.04 LTS Focal	7s
test Chocolatey package	45s
npm package	13s
test npm package on Windows with npm	33s
test npm package on Windows with npm (--global)	36s
test npm package on Windows with Yarn	20s
test npm package on macOS 11 with npm	7s
test npm package on macOS 11 with npm (--global)	7s
test npm package on macOS 11 with Yarn	5s
test npm package on macOS 12 with npm	6s
test npm package on macOS 12 with npm (--global)	10s
test npm package on macOS 12 with Yarn	6s
test npm package on Ubuntu with npm	11s
test npm package on Ubuntu with npm (--global)	8s
test npm package on Ubuntu with Yarn	6s
winget manifests	26s
	53m 38s

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