Use plugin BOM (#109)

Author: basil

pom.xml

@@ -40,7 +40,7 @@
     <licenses>
         <license>
             <name>The Apache Software License, Version 2.0</name>
-            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <url>https://opensource.org/licenses/Apache-2.0</url>
             <distribution>repo</distribution>
         </license>
     </licenses>
@@ -71,6 +71,18 @@
         </pluginRepository>
     </pluginRepositories>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>io.jenkins.tools.bom</groupId>
+                <artifactId>bom-2.319.x</artifactId>
+                <version>1654.vcb_69d035fa_20</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <dependencies>
         <dependency>
             <groupId>org.mockito</groupId>
@@ -87,7 +99,11 @@
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>github-api</artifactId>
-            <version>1.303-400.v35c2d8258028</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jenkins-ci.plugins</groupId>
+            <artifactId>jackson2-api</artifactId>
         </dependency>
 
         <dependency>