Add upper bound for freckle-app, #6273

Author: alexeyzab

build-constraints.yaml

@@ -6776,6 +6776,9 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/6268
       - hashable < 1.4.0.0
 
+      # https://github.com/commercialhaskell/stackage/issues/6273
+      - freckle-app < 1.0.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of