Update collections, command, completion, ... to 1.4.9

scala-steward · scala-steward · commit 00a34c9599f5 · 2021-03-10T06:21:32.000+01:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version = 1.4.8
+sbt.version = 1.4.9
