Changes to Browse the API catalog

added the optional property apis/items/lanes/items/health/allOf[#/components/schemas/DiscoverySourceHealth]/blockedPct to the response with the 200 status

added the optional property apis/items/notServingSources/items/health/allOf[#/components/schemas/DiscoverySourceHealth]/blockedPct to the response with the 200 status

added the optional property apis/items/notServingSources to the response with the 200 status

added the optional property apis/items/lanes/items/fields to the response with the 200 status

added the optional property apis/items/lanes/items/pricing/allOf[#/components/schemas/DiscoveryOffer]/addons to the response with the 200 status

added the optional property apis/items/pricing/allOf[#/components/schemas/DiscoveryPricing]/from/allOf[#/components/schemas/DiscoveryOffer]/addons to the response with the 200 status

endpoint added