Dev Containers: Update onCreateCommand

- Cabal (the tool) ≥ 3.10 complies to the XDG Base Directory Specification

.devcontainer/scripts/usr/local/bin/onCreateCommand.sh

@@ -4,7 +4,7 @@
 
 set -e
 
-if dpkg --compare-versions "${GHC_VERSION%.*}" le "9.4"; then
+if dpkg --compare-versions "${CABAL_VERSION%.*.*}" le "3.8"; then
   mkdir -p "$HOME/.cabal/bin";
 fi
 mkdir -p "$HOME/.local/bin"