modify '-' to '~'

edge-image-builder/_service

@@ -5,7 +5,7 @@
     <param name="scm">git</param>
     <param name="exclude">.git</param>
     <param name="revision">v1.2.0-rc0</param>
-    <param name="version">_none_</param>
+    <param name="version">1.2.0~rc0</param>
     <param name="versionrewrite-pattern">v(\d+).(\d+).(\d+)</param>
     <param name="versionrewrite-replacement">\1.\2.\3</param>
     <param name="changesgenerate">enable</param>