Fix for CVE-2023-28465 in hapifhir/org.hl7.fhir.core (project hapifhir__org.hl7.fhir.core_CVE-2023-28465_5.6.105), commit 909f7e64fea6532a00b3eb8904bf620fc3cae6d1
Fixed file: org.hl7.fhir.r4b/src/main/java/org/hl7/fhir/r4b/renderers/QuestionnaireRenderer.java
Fixed class: QuestionnaireRenderer (lines 40-1098)
Fixed method: item (lines 802-805)
Method signature: XhtmlNode item(XhtmlNode,String)