deps: update dependency commons-net:commons-net to v3.8.0 (#410)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [commons-net:commons-net](https://commons.apache.org/proper/commons-net/) ([source](https://gitbox.apache.org/repos/asf/commons-net)) | `3.6` -> `3.8.0` | [![age](https://badges.renovateapi.com/packages/maven/commons-net:commons-net/3.8.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/commons-net:commons-net/3.8.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/commons-net:commons-net/3.8.0/compatibility-slim/3.6)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/commons-net:commons-net/3.8.0/confidence-slim/3.6)](https://docs.renovatebot.com/merge-confidence/) |

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pom.xml

@@ -87,7 +87,7 @@
       <dependency>
         <groupId>commons-net</groupId>
         <artifactId>commons-net</artifactId>
-        <version>3.6</version>
+        <version>3.8.0</version>
       </dependency>
     </dependencies>
   </dependencyManagement>