Bump commons-net from 3.3 to 3.9.0

Bumps commons-net from 3.3 to 3.9.0.

---
updated-dependencies:
- dependency-name: commons-net:commons-net
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 3a3b8cc..b4c7ef9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -236,7 +236,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.3</version>
+            <version>3.9.0</version>
             <scope>provided</scope>
         </dependency>
       <!-- Testing -->