Move errors-ext above 'dummy maintainers'

build-constraints.yaml

@@ -3450,6 +3450,9 @@ packages:
     "Bogdan Neterebskii <bog2dan1@gmail.com> @ozzzzz":
         - cast
 
+    "Warlock <internalmike@gmail.com> @A1-Triard":
+        - errors-ext
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056
@@ -3619,9 +3622,6 @@ packages:
         - amazonka-workspaces < 1.5
         - amazonka-xray < 1.5
 
-    "Warlock <internalmike@gmail.com> @A1-Triard":
-        - errors-ext
-
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of