Refactor of _location data structure #133

Job	Run time
Test Python bindings (ubuntu-22.04, 3.10)	1m 10s
Test Python bindings (ubuntu-22.04, 3.14)	1m 29s
Test Python bindings (ubuntu-22.04, 3.13)	1m 15s
Test Python bindings (ubuntu-22.04, 3.12)	1m 7s
Test Python bindings (ubuntu-24.04, 3.11)	1m 10s
Test Python bindings (ubuntu-24.04, 3.10)	2m 44s
Test Python bindings (ubuntu-22.04, 3.11)	1m 43s
Test Python bindings (ubuntu-24.04, 3.13)	1m 54s
Test Python bindings (ubuntu-24.04, 3.14)	1m 58s
Test Python bindings (ubuntu-24.04, 3.12)	3m 17s
Test Python bindings (macos-15-intel, 3.11)	1m 48s
Test Python bindings (macos-15-intel, 3.10)	1m 32s
Test Python bindings (macos-15-intel, 3.12)	1m 38s
Test Python bindings (macos-15-intel, 3.13)	2m 11s
Test Python bindings (macos-26, 3.11)	1m 28s
Test Python bindings (macos-26, 3.13)	55s
Test Python bindings (macos-15-intel, 3.14)	2m 57s
Test Python bindings (macos-26, 3.12)	1m 0s
Test Python bindings (macos-26, 3.14)	1m 17s
Test Python bindings (macos-26, 3.10)	1m 14s
Codecov report upload	11s
	33m 58s

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