deps: update google-http-client to v1.39.0 (#1731)

Author: renovate-bot

pom.xml

@@ -480,7 +480,7 @@
   </build>
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <project.http.version>1.38.1</project.http.version>
+    <project.http.version>1.39.0</project.http.version>
     <project.httpcore.version>4.4.14</project.httpcore.version>
     <project.httpclient.version>4.5.13</project.httpclient.version>
     <project.oauth.version>1.31.4</project.oauth.version>