fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMGITHUBJNR-1570422

pom.xml

@@ -153,7 +153,7 @@
             <dependency>
                 <groupId>org.jruby</groupId>
                 <artifactId>jruby</artifactId>
-                <version>9.2.14.0</version>
+                <version>9.3.0.0</version>
             </dependency>
             <dependency>
                 <groupId>org.python</groupId>