feat: api integration for summary cards

[maiyerlee]

What changed

Use API data for frontend CAN features.

Issue

2842

How to test

• E2E and unit tests are passing.
• Navigate to the CAN List page and select different fiscal years and filters.
  • Ensure CAN list and summary cards are updated accordingly.
• Go to /cans/504/spending and select FY 2043.
  • Ensure budget lines appear in the table above.
  • Ensure the agreement name and procurement shop abbreviation are displayed properly.
  • Check that summary cards have correct data displayed.

Screenshots

N/A

Definition of Done Checklist

• OESA: Code refactored for clarity
• OESA: Dependency rules followed
• Automated unit tests updated and passed
• Automated integration tests updated and passed
• Automated quality tests updated and passed
• Automated load tests updated and passed
• Automated a11y tests updated and passed
• Automated security tests updated and passed
• 90%+ Code coverage achieved
  - [ ] Form validations updated

Links

N/A

[github-actions]

🎉 This PR is included in version 1.12.0 🎉

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