Bump timeout for analyze-action-env test

[mbg]

This test seems to frequently timeout on Windows, so this PR bumps the timeout a bit.

Risk assessment

For internal use only. Please select the risk level of this change:

• Low risk: Changes are fully under feature flags, or have been fully tested and validated in pre-production environments and are highly observable, or are documentation or test only.

Which use cases does this change impact?

Tests only.

How did/will you validate this change?

• Unit tests - I am depending on unit test coverage (i.e. tests in .test.ts files).

If something goes wrong after this change is released, what are the mitigation and rollback strategies?

N/A.

How will you know if something goes wrong after this change is released?

CI.

Merge / deployment checklist

• Confirm this change is backwards compatible with existing workflows.
• Consider adding a changelog entry for this change.
• Confirm the readme and docs have been updated if necessary.

[Copilot]

Pull Request Overview

This PR increases the test timeout for the analyze-action-env test from the default value to 20 seconds to address frequent timeouts occurring on Windows.

Key Changes:

• Added a 20-second timeout configuration to the "analyze action with RAM & threads from environment variables" test

[henrymercer]

Worth bumping for src/analyze-action-input.test.ts too? That test is pretty similar on the face of it.