fix: update yazi completion generation to use specific shell flags

Author: msavdert

scripts/generate-completions.sh

@@ -24,7 +24,14 @@ main() {
 
     gen_comp "gh" "completion"
     gen_comp "starship" "completions"
-    gen_comp "yazi" "completion"
+    
+    # Special case for yazi which uses --completion flag
+    if command_exists yazi; then
+        log "Generating completions for yazi..."
+        yazi --completion bash > "$BASH_COMP_DIR/yazi" 2>/dev/null || true
+        yazi --completion zsh > "$ZSH_COMP_DIR/_yazi" 2>/dev/null || true
+    fi
+
     gen_comp "uv" "generate-shell-completion"
 
     # Special cases