supported Python versions & CI images

[jGaboardi]

supported Python versions

• add Python 3.13 to matrix
• drop Python 3.9 and 3.10
• xref
  • Testing against Python 3.13 across federation pysal#1372
  • remove testing against Python 3.10 across federation pysal#1373

CI images

• test against macOS-15-intel for Intel
• test against macos-latest for Apple Silicon
• xref
  • CI: retire macOS-13 for macOS-15-intel pysal#1380