Update dependency ca.uhn.hapi.fhir:hapi-fhir-base to v7.4.3

Author: renovate[bot]

pom.xml

@@ -23,7 +23,7 @@
     <dependency>
       <groupId>ca.uhn.hapi.fhir</groupId>
       <artifactId>hapi-fhir-base</artifactId>
-      <version>7.4.0</version>
+      <version>7.4.3</version>
     </dependency>
     <dependency>
       <groupId>ca.uhn.hapi.fhir</groupId>