Fix 'local' used outside function context

Removed 'local' keyword from colored_warnings variable assignment
in the main script body. The 'local' keyword can only be used
inside functions in bash.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

driveAtlas.sh

@@ -1020,7 +1020,7 @@ for bay in $all_bays; do
         colored_health="$(colorize_health "$health")"
 
         # Colorize warnings if present
-        local colored_warnings="${warnings:--}"
+        colored_warnings="${warnings:--}"
         if [[ "$USE_COLOR" == true && -n "$warnings" ]]; then
             colored_warnings="${COLOR_YELLOW}${warnings}${COLOR_RESET}"
         fi