Bump com.googlecode.maven-download-plugin:download-maven-plugin

Bumps [com.googlecode.maven-download-plugin:download-maven-plugin](https://github.com/maven-download-plugin/maven-download-plugin) from 1.7.1 to 1.8.1.
- [Release notes](https://github.com/maven-download-plugin/maven-download-plugin/releases)
- [Commits](https://github.com/maven-download-plugin/maven-download-plugin/compare/1.7.1...1.8.1)

---
updated-dependencies:
- dependency-name: com.googlecode.maven-download-plugin:download-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/httpclient5/pom.xml b/httpclient5/pom.xml
index 7c8f29b..cd37d1a 100644
--- a/httpclient5/pom.xml
+++ b/httpclient5/pom.xml
@@ -113,7 +113,7 @@
       <plugin>
         <groupId>com.googlecode.maven-download-plugin</groupId>
         <artifactId>download-maven-plugin</artifactId>
-        <version>1.7.1</version>
+        <version>1.8.1</version>
         <executions>
           <execution>
             <id>download-public-suffix-list</id>