unfreeze squants

Author: SethTisue

proj/squants.conf

@@ -1,11 +1,8 @@
-// https://github.com/typelevel/squants.git#9051ccea487089cf003e671faa39f699614b0895  # was master
-
-// temporarily frozen until this is addressed:
-// https://github.com/typelevel/squants/issues/574
+// https://github.com/typelevel/squants.git#master
 
 vars.proj.squants: ${vars.base} {
   name: "squants"
-  uri: "https://github.com/typelevel/squants.git#9051ccea487089cf003e671faa39f699614b0895"
+  uri: "https://github.com/typelevel/squants.git#5ad6433e8f7c92a274724d517e606cf53473ab68"
 
   extra.projects: ["squantsJVM"]
 }