Don't use deprecated version of cabal-helper

build-constraints.yaml

@@ -1363,6 +1363,9 @@ packages:
         # https://github.com/fpco/stackage/issues/768
         - HUnit < 1.3
 
+        # 0.5.2.0 is deprecated
+        - cabal-helper < 0.5.2.0 || > 0.5.2.0
+
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags:
@@ -1946,4 +1949,3 @@ github-users:
         # - svenpanne
         # - elliottt
         # - jmcarthur
-