Remove trailing whitespace in merge_to_main_production.yml

[Copilot]

Summary | Résumé

Addresses code review feedback from #2301 by removing trailing whitespace on line 450 of the merge_to_main_production workflow file.

Related Issues | Cartes liées

• Parent PR: Run quicksight on regular prod release #2301

Test instructions | Instructions pour tester la modification

Verify line 450 in .github/workflows/merge_to_main_production.yml has no trailing whitespace after the checkout action step.

Release Instructions | Instructions pour le déploiement

None.

Reviewer checklist | Liste de vérification du réviseur

• This PR does not break existing functionality.
• This PR does not violate GCNotify's privacy policies.
• This PR does not raise new security concerns. Refer to our GC Notify Risk Register document on our Google drive.
• This PR does not significantly alter performance.
• Additional required documentation resulting of these changes is covered (such as the README, setup instructions, a related ADR or the technical documentation).

⚠ If boxes cannot be checked off before merging the PR, they should be moved to the "Release Instructions" section with appropriate steps required to verify before release. For example, changes to celery code may require tests on staging to verify that performance has not been affected.

---

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.