Pom: Modify to prepare for launch

Author: hikingc

pom.xml

@@ -100,6 +100,14 @@
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
             <version>2.0.18</version>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- publishing -->
+        <dependency>
+            <groupId>org.sonatype.central</groupId>
+            <artifactId>central-publishing-maven-plugin</artifactId>
+            <version>0.11.0</version>
         </dependency>
 
     </dependencies>
@@ -110,7 +118,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.0</version>
                 <executions>
                     <execution>
                         <id>attach-sources</id>
@@ -144,7 +152,7 @@
                         </tag>
                     </tags>
                 </configuration>
-                <version>3.6.3</version>
+                <version>3.12.0</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>
@@ -155,6 +163,23 @@
                 </executions>
             </plugin>
 
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>3.2.8</version>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>