chore: ssh scm connection

Author: tomasbjerre

pom.xml

@@ -30,7 +30,7 @@
   </developers>
 
   <scm>
-    <connection>scm:git:https://github.com/jenkinsci/generic-webhook-trigger-plugin</connection>
+    <connection>scm:git:ssh://git@github.com:jenkinsci/generic-webhook-trigger-plugin.git</connection>
     <developerConnection>scm:git:https://github.com/jenkinsci/generic-webhook-trigger-plugin</developerConnection>
     <tag>generic-webhook-trigger-2.3.0</tag>
     <url>https://github.com/jenkinsci/generic-webhook-trigger-plugin</url>