docs(example): use npx turbo and show filtering (#10500)
### Description
Use `npx turbo` instead of `pnpm` to make the example agnostic of the
chosen package manager.
Show how to filter by package because this is one of the most commonly
used features in a monorepo setup.
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Signed-off-by: Sebastian Davids <sdavids@gmx.de>
Co-authored-by: Anthony Shew <anthonyshew@gmail.com>
