allow copilot use actions token

[Soph]

Entire-Checkpoint: 98cf12e97696

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Note

Medium Risk
Expands GitHub Actions permissions (copilot-requests: write) and injects GITHUB_TOKEN into E2E steps, which can affect workflow security and token usage.

Overview
Updates the e2e.yml GitHub Actions workflow to grant copilot-requests: write and to pass the GitHub Actions GITHUB_TOKEN into both the agent bootstrap and E2E test execution steps.

This enables E2E runs (notably copilot-cli) to authenticate using the workflow token rather than requiring only an external Copilot token.

^{Reviewed by Cursor Bugbot for commit f89d316. Configure here.}

[Copilot]

Pull request overview

This PR updates the E2E GitHub Actions workflow to enable GitHub Copilot requests using the workflow’s Actions token.

Changes:

• Adds copilot-requests: write to the workflow token permissions.
• Exports GITHUB_TOKEN (${{ github.token }}) into the E2E bootstrap and test steps’ environments.

[cursor]

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^{Reviewed by Cursor Bugbot for commit f89d316. Configure here.}