deps: update dependency org.threeten:threetenbp to v1.5.2 (googleapis#514)

Author: renovate-bot

third-party-dependencies/pom.xml

@@ -58,7 +58,7 @@
  <site.installationModule>${project.artifactId}</site.installationModule>
 
  <gson.version>2.8.9</gson.version>
- <threeten.version>1.5.1</threeten.version>
+ <threeten.version>1.5.2</threeten.version>
  <javax.annotations.version>1.3.2</javax.annotations.version>
  <animal-sniffer.version>1.20</animal-sniffer.version>
  <opencensus.version>0.28.0</opencensus.version>