Apply 'any' qualifier to new-freeze constraints (fixes #4832).

new-freeze produces constraints that allow all versions of each package from the
install plan, in order to constrain setup and build tool dependencies without
using qualified constraints. Since the constraints should apply to top-level,
setup, and build tool dependencies, they should use an 'any' qualifier.

cabal-install/Distribution/Client/CmdFreeze.hs

@@ -173,7 +173,7 @@ projectFreezeConstraints plan =
     versionConstraints :: Map PackageName [(UserConstraint, ConstraintSource)]
     versionConstraints =
       Map.mapWithKey
-        (\p v -> [(UserConstraint (UserQualified UserQualToplevel p) (PackagePropertyVersion v),
+        (\p v -> [(UserConstraint (UserAnyQualifier p) (PackagePropertyVersion v),
                    ConstraintSourceFreeze)])
         versionRanges