fix(deps): update springdoc-openapi.version to v2.8.4

Author: renovate[bot]

refarch-integrations/pom.xml

@@ -54,7 +54,7 @@
         <refarch-tools.version>1.1.0</refarch-tools.version>
 
         <!-- Additional required dependencies -->
-        <springdoc-openapi.version>2.8.3</springdoc-openapi.version>
+        <springdoc-openapi.version>2.8.4</springdoc-openapi.version>
     </properties>
 
     <dependencyManagement>