Use scm.connection consistent with archetype (#1201)

Consistent is better

pom.xml

@@ -47,7 +47,7 @@
 
  <scm>
  <connection>scm:git:https://github.com/${gitHubRepo}</connection>
- <developerConnection>scm:git:git@github.com:${gitHubRepo}.git</developerConnection>
+ <developerConnection>scm:git:https://github.com/${gitHubRepo}</developerConnection>
  <tag>${scmTag}</tag>
  <url>https://github.com/${gitHubRepo}</url>
  </scm>