Bump com.googlecode.maven-download-plugin:download-maven-plugin (#1821)

Bumps [com.googlecode.maven-download-plugin:download-maven-plugin](https://github.com/maven-download-plugin/maven-download-plugin) from 1.8.1 to 1.9.0.
- [Release notes](https://github.com/maven-download-plugin/maven-download-plugin/releases)
- [Commits](download-maven-plugin/download-maven-plugin@1.8.1...1.9.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

rt/transports/http/pom.xml

@@ -160,7 +160,7 @@
             <plugin>
                 <groupId>com.googlecode.maven-download-plugin</groupId>
                 <artifactId>download-maven-plugin</artifactId>
-                <version>1.8.1</version>
+                <version>1.9.0</version>
                 <executions>
                     <execution>
                         <id>download-public-suffix-list</id>