declare a versionScheme (#125)

SethTisue · web-flow · commit 1f2fce9e94af · 2021-04-19T12:01:51.000-07:00
sbt 1.5 warns if you don't
diff --git a/build.sbt b/build.sbt
@@ -15,6 +15,7 @@ developers := List(
     url = url("https://www.lightbend.com")))
 
 ThisBuild / dynverVTagPrefix := false
+ThisBuild / versionScheme := Some("early-semver")
 
 /// build
 
