Bump pdfbox.version from 2.0.12 to 2.0.16 in /VM-Core (#107)

Bumps `pdfbox.version` from 2.0.12 to 2.0.16.

Updates `pdfbox` from 2.0.12 to 2.0.16

Updates `pdfbox-tools` from 2.0.12 to 2.0.16

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

Author: dependabot[bot]

VM-Core/pom.xml

@@ -303,7 +303,7 @@
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <pdfbox.version>2.0.12</pdfbox.version>
+        <pdfbox.version>2.0.16</pdfbox.version>
         <jacoco.version>0.7.9</jacoco.version>
         <jacoco.outputDir>${project.basedir}/target/jacoco.exec</jacoco.outputDir>
     </properties>