feat: error on multiple export defaults in module #5859

Job	Run time
macOS x86_64	2m 59s
macOS AArch64	1m 56s
Linux x86_64	4m 46s
Linux ARM	2m 49s
Linux AArch64	3m 12s
Windows x86	12m 43s
Windows x64	9m 57s
Windows ARM	2m 0s
Windows ARM64	2m 24s
Chocolatey package	28s
Scoop package	30s
MSIX installer	41s
test on Windows	10s
test on macOS 11	4s
test on macOS 12	9s
test on Arch Linux	17s
test on Debian 11 Bullseye	11s
test on Debian 10 Buster	10s
test on Fedora 35	12s
test on Fedora 36	15s
test on Ubuntu 18.04 LTS Bionic	6s
test on Ubuntu 20.04 LTS Focal	8s
npm package	11s
test Chocolatey package	49s
test npm package on Windows with npm	16s
test npm package on Windows with npm (--global)	34s
test npm package on Windows with Yarn	21s
test npm package on macOS 11 with npm	8s
test npm package on macOS 11 with npm (--global)	8s
test npm package on macOS 11 with Yarn	30s
test npm package on macOS 12 with npm	7s
test npm package on macOS 12 with npm (--global)	7s
test npm package on macOS 12 with Yarn	7s
test npm package on Ubuntu with npm	5s
test npm package on Ubuntu with npm (--global)	8s
test npm package on Ubuntu with Yarn	6s
winget manifests	24s
	50m 8s

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