Fix for building Cabal-syntax

Author: hamishmack

.github/workflows/haskell-ci.yml

@@ -1,6 +1,6 @@
 # This GitHub workflow config has been generated by a script via
 #
-#   haskell-ci 'github' 'cabal.project' '--apt' 'libwebkit2gtk-4.0-dev' '--jobs-selection' 'any' '--error-missing-methods' 'none' '--no-install-dependencies' '--installed' '-Cabal'
+#   haskell-ci 'github' 'cabal.project' '--apt' 'libwebkit2gtk-4.0-dev' '--jobs-selection' 'any' '--error-missing-methods' 'none' '--no-install-dependencies' '--installed' '-Cabal' '--installed' '-Cabal-syntax' '--cabal-install-version' '3.14.1.1'
 #
 # To regenerate the script (for example after adjusting tested-with) run
 #
@@ -10,7 +10,7 @@
 #
 # version: 0.19.20250315
 #
-# REGENDATA ("0.19.20250315",["github","cabal.project","--apt","libwebkit2gtk-4.0-dev","--jobs-selection","any","--error-missing-methods","none","--no-install-dependencies","--installed","-Cabal"])
+# REGENDATA ("0.19.20250315",["github","cabal.project","--apt","libwebkit2gtk-4.0-dev","--jobs-selection","any","--error-missing-methods","none","--no-install-dependencies","--installed","-Cabal","--installed","-Cabal-syntax","--cabal-install-version","3.14.1.1"])
 #
 name: Haskell-CI
 on:
@@ -185,7 +185,7 @@ jobs:
           echo "packages: ${PKGDIR_webkit2gtk3_javascriptcore}" >> cabal.project
           cat >> cabal.project <<EOF
           EOF
-          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(Cabal|webkit2gtk3-javascriptcore)$/; }' >> cabal.project.local
+          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(Cabal|Cabal-syntax|webkit2gtk3-javascriptcore)$/; }' >> cabal.project.local
           cat cabal.project
           cat cabal.project.local
       - name: dump install plan