Update sbt to 1.5.0 (#442)

scala-steward · web-flow · commit e83ee7b64955 · 2021-04-07T15:01:28.000-07:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.0-RC2
+sbt.version=1.5.0
