fix: update power-doctest and remove vm2

[azu]

vm2 is discontinue.

• https://github.com/advisories/GHSA-cchq-frgv-rjh5
• https://github.com/patriksimek/vm2/issues/533

Update power-doctest and Use vm instead of vm2.

• https://github.com/azu/power-doctest/releases/tag/v5.3.3

📝 Sandbox feature is unnessary on our usecase.

[bot-user]

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