Devfile schema validation failed due to unexpected type for the persistVolumes field

[RomanNikitenko]

Describe the bug

It's impossible to start a workspace when persistVolumes value is boolean type.
The error is:

Failed to resolve a devfile. Error occurred during creation a workspace from devfile located at `https://raw.githubusercontent.com/chepullreq4/pr-check-files/master/che-theia/pr-1049/simple/che-theia-nodejs-devfile.yaml`. Cause: Devfile schema validation failed. Error: (/attributes/persistVolumes):The value must be of string type, but actual type is boolean.

According to the doc it should work well for the boolean type

Che version

nightly

Steps to reproduce

1. Try to start a workspace from the devfile https://raw.githubusercontent.com/chepullreq4/pr-check-files/master/che-theia/pr-1049/simple/che-theia-nodejs-devfile.yaml

Screenshots

Environment

Dev Sandbox (workspaces.openshift.com)

[sparkoo]

I think it's documentation issue https://github.com/eclipse-che/che-server/blob/main/wsmaster/che-core-api-workspace/src/main/resources/schema/1.0.0/devfile.json#L19

[che-bot]

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Moderators: Add lifecycle/frozen label to avoid stale mode.