Update dependency ca.uhn.hapi.fhir:hapi-fhir-structures-r4 to v8

Author: renovate[bot]

pom.xml

@@ -160,7 +160,7 @@
     <dependency>
       <groupId>ca.uhn.hapi.fhir</groupId>
       <artifactId>hapi-fhir-structures-r4</artifactId>
-      <version>7.6.1</version>
+      <version>8.2.1</version>
     </dependency>
 
     <dependency>