feat: build CLI during pull request

[jeffmaury]

Summary

Add OpenShell CLI build during pull request pipeline

Related Issue

Fixes #1454

Changes

Update docker and rust workflows to include OpenShell CLI build

Testing

• mise run pre-commit passesmise
• Unit tests added/updated
• E2E tests added/updated (if applicable)

Checklist

• Follows Conventional Commits
• Commits are signed off (DCO)
• Architecture docs updated (if applicable)

[copy-pr-bot]

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[github-actions]

All contributors have signed the DCO ✍️ ✅
_{Posted by the DCO Assistant Lite bot.}

[jeffmaury]

I have read the DCO document and I hereby sign the DCO.

[jeffmaury]

recheck

[TaylorMutch]

/ok to test 05ca53e

[TaylorMutch]

/ok to test abe182d

[github-actions]

Label test:e2e applied for abe182d. Open the existing run and click Re-run all jobs to execute with the label set. The run will execute the standard E2E suite after building the required gateway and supervisor images once. The matching required CI gate status on this PR will flip green automatically once the run finishes.

[TaylorMutch]

/ok to test 795d276

[TaylorMutch]

/ok to test dfd4394