N°8834 - Add compatibility with PHP 8.4 (#819)

* N°8834 - Add compatibility with PHP 8.4

* Rollback of scssphp/scssphp version upgrade due to compilation error

lib/symfony/console/Resources/completion.bash

@@ -17,7 +17,7 @@ _sf_{{ COMMAND_NAME }}() {
     done
 
     # Use newline as only separator to allow space in completion values
-    IFS=$'\n'
+    local IFS=$'\n'
     local sf_cmd="${COMP_WORDS[0]}"
 
     # for an alias, get the real script behind it
@@ -37,7 +37,7 @@ _sf_{{ COMMAND_NAME }}() {
 
     local completecmd=("$sf_cmd" "_complete" "--no-interaction" "-sbash" "-c$cword" "-a{{ VERSION }}")
     for w in ${words[@]}; do
-        w=$(printf -- '%b' "$w")
+        w="${w//\\\\/\\}"
         # remove quotes from typed values
         quote="${w:0:1}"
         if [ "$quote" == \' ]; then