Add Chainlink feed registry detector #5734

Job	Run time
tests (ubuntu-latest, 3.8, data_dependency)	31s
tests (ubuntu-latest, 3.8, path_filtering)	30s
tests (ubuntu-latest, 3.8, erc)	28s
tests (ubuntu-latest, 3.8, find_paths)	27s
tests (ubuntu-latest, 3.8, flat)	32s
tests (ubuntu-latest, 3.8, interface)	34s
tests (ubuntu-latest, 3.8, printers)	1m 11s
tests (ubuntu-latest, 3.8, slither_config)	28s
tests (ubuntu-latest, 3.8, upgradability)	49s
tests (ubuntu-latest, 3.12, data_dependency)	39s
tests (ubuntu-latest, 3.12, path_filtering)	24s
tests (ubuntu-latest, 3.12, erc)	26s
tests (ubuntu-latest, 3.12, find_paths)	41s
tests (ubuntu-latest, 3.12, flat)	24s
tests (ubuntu-latest, 3.12, interface)	28s
tests (ubuntu-latest, 3.12, printers)	1m 6s
tests (ubuntu-latest, 3.12, slither_config)	28s
tests (ubuntu-latest, 3.12, upgradability)	49s
	10m 55s

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