update for hl7.fhir.us.ecr#2.1.2

errata publication

Author: eric-schmitt-hl7

fhir-ig-list.json

@@ -1202,8 +1202,8 @@
       "editions" : [
         {
           "name" : "STU 2",
-          "ig-version" : "2.1.1",
-          "package" : "hl7.fhir.us.ecr#2.1.1",
+          "ig-version" : "2.1.2",
+          "package" : "hl7.fhir.us.ecr#2.1.2",
           "fhir-version" : ["4.0.1"],
           "url" : "http://hl7.org/fhir/us/ecr/STU2.1"
         }