try to unbreak CI tests for older GHC

Author: infinity0

.github/workflows/haskell-ci.yml

@@ -215,7 +215,7 @@ jobs:
           echo "    ghc-options: -Werror=missing-methods" >> cabal.project
           cat >> cabal.project <<EOF
           EOF
-          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: $_ installed\n" unless /^(binary|containers|ghc-heap|strict-containers|strict-containers-lens|strict-containers-serialise|strict-containers-tests|text)$/; }' >> cabal.project.local
+          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: $_ installed\n" unless /^(base|binary|containers|ghc-heap|strict-containers|strict-containers-lens|strict-containers-serialise|strict-containers-tests|text)$/; }' >> cabal.project.local
           cat cabal.project
           cat cabal.project.local
       - name: dump install plan

cabal.haskell-ci

@@ -9,4 +9,4 @@ jobs-selection: any
 -- we depend on containers which is a core package (comes installed with ghc)
 -- by default, haskell-ci forbids these from being upgraded; override that here
 -- also override the rdeps of containers, as per their haskell-ci config
-installed: +all -containers -binary -text -ghc-heap
+installed: +all -containers -binary -text -ghc-heap -base