LG-14888: Update Spanish reCAPTCHA strings link text

[aduth]

🎫 Ticket

Follow-up revision for LG-14888 (originally implemented in #11448)

🛠 Summary of changes

Updates Spanish translations for reCAPTCHA disclaimer text to move "la" and "las" outside the link text, per feedback from translators.

📜 Testing Plan

Verify updated text for reCAPTCHA disclosure in Spanish:

Prerequisite: Configure real reCAPTCHA in local development. Any credentials work, they don't need to be valid:

# config/application.yml
development:
  recaptcha_site_key: 'test'
  recaptcha_enterprise_api_key: 'test'
  recaptcha_enterprise_project_id: 'test'
  recaptcha_mock_validator: false
  sign_in_recaptcha_score_threshold: 0.3
  sign_in_recaptcha_percent_tested: 100

1. Go to http://localhost:3000/es/
2. See updated translations

👀 Screenshots

Before	After