deps: update dependency org.threeten:threetenbp to v1.4.4 (#124)

Author: renovate-bot

pom.xml

@@ -67,7 +67,7 @@
     <junit.version>4.13</junit.version>
     <google.common-protos.version>1.18.0</google.common-protos.version>
     <protobuf.version>3.11.4</protobuf.version>
-    <threeten.version>1.4.3</threeten.version>
+    <threeten.version>1.4.4</threeten.version>
     <google.api-common.version>1.9.0</google.api-common.version>
     <spanner.version>1.52.0</spanner.version>
     <hamcrest.version>2.2</hamcrest.version>