CQL2_JSON missing from conformance class

[jonhealy1]

stac-utils/stac-fastapi-elasticsearch-opensearch#159

stac-fastapi/stac_fastapi/extensions/stac_fastapi/extensions/core/filter/filter.py

Lines 73 to 81 in 925a9bb

	conformance_classes: List[str] = attr.ib(
	default=[
	FilterConformanceClasses.FILTER,
	FilterConformanceClasses.FEATURES_FILTER,
	FilterConformanceClasses.ITEM_SEARCH_FILTER,
	FilterConformanceClasses.BASIC_CQL2,
	FilterConformanceClasses.CQL2_TEXT,
	]
	)