fix snapshot url
<property name="target.dir" value="${basedir}/target/plugins" />
<!-- Maven Repository -->
- <property name="maven.snapshot.repo.url" value="https://oss.sonatype.org/content/repositories/releases" />
+ <property name="maven.snapshot.repo.url" value="https://oss.sonatype.org/content/repositories/snapshots" />
<property name="maven.release.repo.url" value="http://central.maven.org/maven2" />
<target name="install.plugins">
