Bump org.eclipse.rdf4j:rdf4j-bom from 5.0.3 to 5.1.0 in /rdf4j (#1717)

Author: dependabot[bot]

rdf4j/pom.xml

@@ -16,7 +16,7 @@
   <properties>
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
-    <rdf4j.version>5.0.3</rdf4j.version>
+    <rdf4j.version>5.1.0</rdf4j.version>
   </properties>
 
   <dependencyManagement>