Haskell CI: need gd library

Author: andreasabel

.github/workflows/haskell-ci.yml

@@ -72,7 +72,7 @@ jobs:
           "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
           "$HOME/.ghcup/bin/ghcup" install cabal 3.9.0.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
           apt-get update
-          apt-get install -y libbrotli-dev
+          apt-get install -y libbrotli-dev libgd-dev
         env:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}

cabal.haskell-ci

@@ -9,7 +9,7 @@ installed: +all -Cabal -text -parsec -process
 -- Use Ubuntu 22.04
 distribution: jammy
 
-apt: libbrotli-dev
+apt: libbrotli-dev libgd-dev
 
 -- Make sure the haddock step is included,
 -- even though we don't define any library.