Update NEMO ingestion code #2390

Job	Run time
should run ci	8s
cache-pixi-lock	9s
build-and-upload-nightly-parcels	1m 22s
Unit tests: windows \| pixi run -e test tests	8m 51s
Unit tests: ubuntu \| pixi run -e test-py313 tests	3m 58s
Unit tests: ubuntu \| pixi run -e test tests	3m 2s
TypeChecking: pixi run typing	35s
Unit tests: ubuntu \| pixi run -e test-py311 tests	3m 53s
Unit tests: ubuntu \| pixi run -e test-minimum tests	3m 44s
Integration: ${{ matrix.os }} \| pixi run -e ${{ matrix.pixi-environment }} tests-notebooks	0s
merge-test-artifacts	0s
	25m 42s

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