Add an upper bound to saturn (#7823)

Signed-off-by: Mihai Maruseac <mihai.maruseac@gmail.com>

Author: mihaimaruseac

build-constraints.yaml

@@ -2435,7 +2435,7 @@ packages:
         - ratel-wai
         - rattletrap
         - salve
-        - saturn
+        - saturn < 1.1 # https://github.com/commercialhaskell/stackage/issues/7823
         - strive
         - witch
         - wuss