restrict bounds for dhall{,-bash,-json} and doctemplates

build-constraints.yaml

@@ -4745,6 +4745,13 @@ packages:
         - parser-combinators       < 1.2.0
         - parser-combinators-tests < 1.2.0
 
+        - dhall < 1.25.0
+        - dhall-bash < 1.0.22
+        - dhall-json < 1.4.0
+
+        - doctemplates < 0.3
+
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of