Unable to configure installer.max-workers

[mcyprian]

• I am on the latest Poetry version.
• I have searched the issues of this repo and believe that this is not a duplicate.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• OS version and name: macOS Monterey 12.1
• Poetry version: 1.1.12 and 1.2.0a2

Issue

I try to configure the maximum number of workers while using the parallel installer as documented here
$ poetry config --local installer.max-workers 4

command fails with

ValueError
Setting installer.max-workers does not exist

[clintonroy]

Right up the top, you can switch the branch the documentation is built from, that's from the master branch, which is not the version of poetry you have installed

[github-actions]

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