Update dependency org.apache.pdfbox:pdfbox to v2.0.33

Author: renovate[bot]

charts-in-pdf-java-ee/pom.xml

@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.pdfbox</groupId>
       <artifactId>pdfbox</artifactId>
-      <version>2.0.31</version>
+      <version>2.0.33</version>
     </dependency>
     <dependency>
       <groupId>org.knowm.xchart</groupId>