Bump protobuf-java from 2.6.1 to 3.16.0 in /java#39

dependabot[bot] wants to merge 1 commit intomastermoazreyad/singa:masterfrom

6ebfdependabot/maven/java/com.google.protobuf-protobuf-java-3.16.0moazreyad/singa:6ebfdependabot/maven/java/com.google.protobuf-protobuf-java-3.16.0Copy head branch name to clipboard