feat: modify GPG signature generation in pom.xml (#14)

Author: liewstar

pom.xml

@@ -100,18 +100,23 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>1.6</version>
-                        <configuration>
-                            <skip>true</skip>
-                        </configuration>
+                        <version>1.5</version>
                         <executions>
                             <execution>
+                                <id>sign-artifacts</id>
                                 <phase>verify</phase>
                                 <goals>
                                     <goal>sign</goal>
                                 </goals>
                             </execution>
                         </executions>
+                        <configuration>
+                            <!-- Prevent gpg from using pinentry programs -->
+                            <gpgArguments>
+                                <arg>--pinentry-mode</arg>
+                                <arg>loopback</arg>
+                            </gpgArguments>
+                        </configuration>
                     </plugin>
                     <plugin>
                         <groupId>org.jacoco</groupId>