BactoTraits GC bin synonym assignments are swapped (3 of 4 classes)

[turbomam]

Problem

Three of the four GC content bin classes have incorrect BactoTraits synonym assignments. The synonym strings are assigned to the wrong classes:

METPO ID	Label	Range	BactoTraits Synonym	Correct?
METPO:1000429	GC low	<= 42.65	GC_42.65_57.0	WRONG (should be GC_<=42.65)
METPO:1000430	GC mid1	42.65-57	GC_>66.3	WRONG (should be GC_42.65_57.0)
METPO:1000431	GC mid2	57-66.3	GC_57.0_66.3	OK
METPO:1000432	GC high	>= 66.3	GC_<=42.65	WRONG (should be GC_>66.3)

Fix

Swap the BactoTraits synonym values in src/templates/metpo_sheet.tsv:

• METPO:1000429: GC_42.65_57.0 -> GC_<=42.65
• METPO:1000430: GC_>66.3 -> GC_42.65_57.0
• METPO:1000432: GC_<=42.65 -> GC_>66.3

Impact

Any downstream consumer using BactoTraits synonyms to resolve GC bin assignments would get wrong results for 3 of 4 bins.

Found during MetaTraits entity additions audit (branch metatraits-entity-additions, PR #355).