fix(deps): update dependency org.apache.camel:camel-openapi-java to v4.18.0

Author: renovate[bot]

ehrenamt-justiz-api/pom.xml

@@ -33,7 +33,7 @@
 
         <!-- Additional required dependencies -->
         <lombok.version>1.18.42</lombok.version>
-        <camel-spring-boot-dependencies.version>4.16.0</camel-spring-boot-dependencies.version>
+        <camel-spring-boot-dependencies.version>4.18.0</camel-spring-boot-dependencies.version>
         <central-publishing-maven-plugin.version>0.9.0</central-publishing-maven-plugin.version>
 
         <!-- Testing -->