Drop support for HA versions before 2025.11.3

What's Changed

• Drop support for HA versions before 2025.11.3 by @pnbruckner in #86
  • GPS accuracy attribute is now a float with one decimal place of precision.
  • Fix spelling errors & incorrect instructions; fixes #85.
  • For token method, allow any string for account ID; fixes #88.
  • Make binary online sensor name translatable.
  • Cache mem_circles property.
  • Test cleanup & update test versions.

Full Changelog: 0.7.1...0.8.0