Update sbt to 1.5.5 (#36)

scala-steward · web-flow · commit 3fee96323503 · 2021-07-12T07:45:13.000-07:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version = 1.5.4
+sbt.version = 1.5.5
