cli

docs: Specify Read the Docs build OS #1094

Job	Run time
Run 'builder-docker-image.yml' workflow / Build base image	1m 52s
Run lints	14m 0s
Run unit tests	2m 59s
Build CLI (aarch64-apple-darwin)	13m 12s
Build CLI (aarch64-unknown-linux-gnu)	8m 38s
Build CLI (aarch64-unknown-linux-musl)	7m 27s
Build CLI (x86_64-apple-darwin)	10m 27s
Build CLI (x86_64-pc-windows-gnu)	10m 9s
Build CLI (x86_64-unknown-linux-gnu)	12m 24s
Build CLI (x86_64-unknown-linux-musl)	13m 1s
Run smoke tests (linux)	1m 46s
Run Linux distros compatibility test	3m 3s
Publish to Docker Hub	0s
Publish to GitHub Releases	0s
	1h 38m 58s

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