ansible: Update eval-haskell

ansible/eval-haskell.fi.muni.cz.yml

 - name: eval-haskell
   hosts: eval-haskell.fi.muni.cz
   vars:
-    dhcpcd: False
+    dhcpcd: false
+    postfix: true
     ghc_version: 9.0.1
     ghc_prefix: '/opt/ghc/{{ghc_version}}'
     ib015_workers: 8
@@ -338,11 +339,11 @@
         command: /opt/cabal/bin/cabal v1-update
         become: True
         become_user: 'ib015_eval_{{item}}'
-        when: not dot_cabal_ib015.results[item].stat.exists
+#        when: not dot_cabal_ib015.results[item].stat.exists
         loop: '{{range(ib015_workers)}}'
 
       - name: Hackage modules
-        command: /opt/cabal/bin/cabal v1-install QuickCheck lens HUnit
+        command: /opt/cabal/bin/cabal v1-install QuickCheck lens HUnit graph-wrapper
         become: True
         become_user: 'ib015_eval_{{item}}'
         loop: '{{range(ib015_workers)}}'