[LIVE-13624] Feature - MATIC to POL migration

[lambertkevin]

✅ Checklist

• npx changeset was attached.
• Covered by automatic tests.
• Impact of the changes:
  • MATIC currency should now be named POL
  • MATIC on any other network than Polygon should still be named MATIC

📝 Description

https://polygon.technology/blog/save-the-date-matic-pol-migration-coming-september-4th-everything-you-need-to-know

"On September 4th, the long-awaited upgrade from MATIC to POL continues. In the initial phase, POL replaces MATIC as the native gas and staking token for the Polygon PoS network. In subsequent phases, POL will serve a crucial role in the AggLayer"

❓ Context

• JIRA or GitHub link: https://ledgerhq.atlassian.net/browse/LIVE-13624

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🧐 Checklist for the PR Reviewers

• The code aligns with the requirements described in the linked JIRA or GitHub issue.
• The PR description clearly documents the changes made and explains any technical trade-offs or design decisions.
• There are no undocumented trade-offs, technical debt, or maintainability issues.
• The PR has been tested thoroughly, and any potential edge cases have been considered and handled.
• Any new dependencies have been justified and documented.
• Performance considerations have been taken into account. (changes have been profiled or benchmarked if necessary)

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