feat(cli): Add --impersonate flag to the build command

[saeta-eth]

This pull request introduces the --impersonate flag to the build command, allowing devs to impersonate a specified account during the build process. This feature is available only when the build is in dry-run mode.

Closes https://linear.app/usecannon/issue/CAN-531/ability-to-strictly-limit-callers-in-dry-run

[changeset-bot]

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Latest commit: 293cc9f

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