deps: update dependency com.google.http-client:google-http-client-bom to v1.38.0 (#503)

Author: renovate-bot

pom.xml

@@ -59,7 +59,7 @@
 
  <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
- <project.google.http.version>1.37.0</project.google.http.version>
+ <project.google.http.version>1.38.0</project.google.http.version>
  <project.junit.version>4.13.1</project.junit.version>
  <project.guava.version>30.0-android</project.guava.version>
  <project.appengine.version>1.9.78</project.appengine.version>