chore: Add devfile.vscode-devfile artifact

[tolusha]

What does this PR do?

Adds devfile.vscode-devfile artifact

What issues does this PR fix?

N/A

How to test this PR?

Does this PR contain changes that override default upstream Code-OSS behavior?

• the PR contains changes in the code folder (you can skip it if your changes are placed in a che extension )
• the corresponding items were added to the CHANGELOG.md file
• rules for automatic git rebase were added to the .rebase folder

[github-actions]

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[github-actions]

Pull Request images published ✨

Editor amd64: quay.io/che-incubator-pull-requests/che-code:pr-530-amd64
Editor arm64: quay.io/che-incubator-pull-requests/che-code:pr-530-arm64
Dev image: quay.io/che-incubator-pull-requests/che-code-dev:pr-530-dev-amd64

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Build 3.21 :: get-sources-rhpkg-container-build_3.x/9090:

code : 3.x ::
; copied to quay

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