Bump google-http-client-jackson2 from 1.38.1 to 1.39.0

Bumps [google-http-client-jackson2](https://github.com/googleapis/google-http-java-client) from 1.38.1 to 1.39.0.
- [Release notes](https://github.com/googleapis/google-http-java-client/releases)
- [Changelog](https://github.com/googleapis/google-http-java-client/blob/master/CHANGELOG.md)
- [Commits](googleapis/google-http-java-client@v1.38.1...v1.39.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

reposilite-backend/pom.xml

@@ -182,7 +182,7 @@
         <dependency>
             <groupId>com.google.http-client</groupId>
             <artifactId>google-http-client-jackson2</artifactId>
-            <version>1.38.1</version>
+            <version>1.39.0</version>
             <scope>test</scope>
             <exclusions>
                 <exclusion>