PDFBOX-5660: update commons-io

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1929597 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

parent/pom.xml

@@ -61,7 +61,7 @@
     <junit.version>5.13.4</junit.version>
     <jbig2.version>3.0.4</jbig2.version>
     <jai.version>1.4.0</jai.version>
-    <commons-io.version>2.20.0</commons-io.version>
+    <commons-io.version>2.21.0</commons-io.version>
     <picocli.version>4.7.7</picocli.version>
     <!-- This is a default value to avoid problems when running single tests
           see also https://stackoverflow.com/a/28695766/535646