Support for 1D fields without lon and/or lat #1781

Job	Run time
cache-pixi-lock / Generate output	35s
Unit tests: mac \| pixi run -e test-latest tests	1d 0h 0m 1s
Unit tests: ubuntu \| pixi run -e test-minimum tests	2m 32s
Unit tests: ubuntu \| pixi run -e test-py311 tests	2m 35s
Unit tests: windows \| pixi run -e test-latest tests	7m 47s
Unit tests: ubuntu \| pixi run -e test-py313 tests	2m 37s
Unit tests: ubuntu \| pixi run -e test-latest tests	2m 31s
Integration: ${{ matrix.os }} \| pixi run -e ${{ matrix.pixi-environment }} tests-notebooks	0s
TypeChecking: pixi run typing	0s
merge-test-artifacts	0s
	1d 0h 18m 38s

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