feat: add France's regions to country map visualization

[dmeaux]

SUMMARY

This adds France's regions in addition to its departments for the country map visualization.

The regions are simplified have simplified geometries of the polygons taken from IGN's (France's National Geographic Institute) BD TOPO data with ISO 3166-02 codes added for each region.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

France's Departments

France's Regions

TESTING INSTRUCTIONS

(https://superset.apache.org/docs/miscellaneous/country-map-tools/)

ADDITIONAL INFORMATION

• Has associated issue: Countries map - Add France Regions in addition to France Departments #25672
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[github-actions]

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