Bump jena-core from 3.12.0 to 4.2.0 in /s-pipes-parent

Bumps jena-core from 3.12.0 to 4.2.0.

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

s-pipes-parent/pom.xml

@@ -20,7 +20,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <jdk.version>1.8</jdk.version>
-        <org.apache.jena>3.12.0</org.apache.jena>
+        <org.apache.jena>4.2.0</org.apache.jena>
         <org.springframework.version>5.0.7.RELEASE</org.springframework.version>
         <org.springframework.security.version>5.0.6.RELEASE</org.springframework.security.version>
         <com.fasterxml.jackson.version>2.9.6</com.fasterxml.jackson.version>