Update dependency commons-io:commons-io to v2.15.1

Author: renovate[bot]

dropbox/pom.xml

@@ -31,7 +31,7 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.14.0</version>
+            <version>2.15.1</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/log4j/log4j -->
         <dependency>