Change /req urls to /conf

[ways]

Ref https://edrisobaric.k8s.met.no/conformance

{
  "conformsTo": [
    "http://www.opengis.net/spec/ogcapi-common-1/1.0/conf/core",
    "http://www.opengis.net/spec/ogcapi-common-2/1.0/conf/collections",
    "http://www.opengis.net/spec/ogcapi-edr-1/1.2/conf/core",
    "http://www.opengis.net/spec/ogcapi-edr-1/1.2/req/oas31",
    "http://www.opengis.net/spec/ogcapi-edr-1/1.0/conf/covjson",
    "http://www.opengis.net/spec/ogcapi-edr-1/1.0/conf/queries",
    "http://rodeo-project.eu/spec/rodeo-edr-profile/1/req/core"
  ]
}