Can't make spelling suggestions work in Vale / VSCode-Vale

[tbazant]

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Environment

OS: Linux
Install method: download
Vale version: 3.9.6

Describe the bug / provide steps to reproduce it

Hello
https://github.com/openSUSE/suse-vale-styleguide/blob/main/common/Spelling.yml
is my spelling rule. It correctly discovers words with bad spelling, but does not offer spelling suggestions.
Can you provide me with correct spelling rule?

Thanks!