Use maven-jar-plugin to not include maven descriptor

- Not include maven descriptor files (as they get big)
- addDefaultImplementationEntries true to add version into MANIFEST.MF

pom.xml

@@ -3,7 +3,7 @@
 
   <groupId>org.avaje</groupId>
   <artifactId>java11-oss</artifactId>
-  <version>3.8</version>
+  <version>3.9</version>
   <packaging>pom</packaging>
   <name>java11-oss</name>
 
@@ -21,9 +21,10 @@
     <maven-surefire-plugin.version>3.0.0-M6</maven-surefire-plugin.version>
     <maven-failsafe-plugin.version>3.0.0-M6</maven-failsafe-plugin.version>
     <maven-release-plugin.version>3.0.0-M5</maven-release-plugin.version>
+    <maven-jar-plugin.version>3.2.2</maven-jar-plugin.version>
   </properties>
 
-  <url>http://www.avaje.org</url>
+  <url>https://avaje.io</url>
   <licenses>
     <license>
       <name>The Apache Software License, Version 2.0</name>
@@ -106,6 +107,9 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
         <version>${maven-surefire-plugin.version}</version>
+        <configuration>
+          <trimStackTrace>false</trimStackTrace>
+        </configuration>
       </plugin>
 
       <plugin>
@@ -114,6 +118,20 @@
         <version>${maven-failsafe-plugin.version}</version>
       </plugin>
 
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <version>${maven-jar-plugin.version}</version>
+        <configuration>
+          <archive>
+            <addMavenDescriptor>false</addMavenDescriptor>
+            <manifest>
+              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+            </manifest>
+          </archive>
+        </configuration>
+      </plugin>
+
     </plugins>
 
   </build>