[catboost/java] Sign artifact with gpg
Artifacts must [1] be signed when publishing to Maven Central.
[1]
<encoding>utf-8</encoding>
</configuration>
</plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-gpg-plugin</artifactId>
+ <version>1.6</version>
+ <executions>
+ <execution>
+ <id>sign-artifacts</id>
+ <phase>verify</phase>
+ <goals>
+ <goal>sign</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
</plugins>
</build>
