Bump org.apache.jena:apache-jena-libs from 5.0.0 to 5.2.0 in /tools/rack

Bumps org.apache.jena:apache-jena-libs from 5.0.0 to 5.2.0.

---
updated-dependencies:
- dependency-name: org.apache.jena:apache-jena-libs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

tools/rack/pom.xml

@@ -98,7 +98,7 @@
       <dependency>
         <groupId>org.apache.jena</groupId>
         <artifactId>apache-jena-libs</artifactId>
-        <version>5.0.0</version>
+        <version>5.2.0</version>
         <type>pom</type>
       </dependency>
       <dependency>