Bump cxf-core from 3.5.3 to 3.5.5

Bumps cxf-core from 3.5.3 to 3.5.5.

---
updated-dependencies:
- dependency-name: org.apache.cxf:cxf-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index da6cbad..08c3c0e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -104,7 +104,7 @@
     <java.version>1.8</java.version>
     <!-- Dependencies version -->
     <fortress.realm.version>2.0.8</fortress.realm.version>
-    <cxf.version>3.5.3</cxf.version>
+    <cxf.version>3.5.5</cxf.version>
     <httpclient.version>3.1</httpclient.version>
     <java.version>1.8</java.version>
     <javadoc.version>2.9.1</javadoc.version>