fixed issue for makepkg paru and Root execution on worflow container

dist/pacman.sh

@@ -28,7 +28,20 @@ if command -v paru &> /dev/null; then
 else
     git clone https://aur.archlinux.org/paru.git
     cd paru
-    makepkg -si --noconfirm
+    
+    # Check if $USER is root and if so add a temporary non-root user for building paru
+    if [ "$EUID" -eq 0 ]; then
+        echo "Building paru as root is not allowed. Creating a temporary user for building..."
+        TEMP_USER="tempuser"
+        useradd -m "$TEMP_USER"
+        chown -R "$TEMP_USER":"$TEMP_USER" .
+        su -u "$TEMP_USER" -c "makepkg -si --noconfirm"
+        userdel -r "$TEMP_USER"
+    else
+        echo "Building paru as user $USER..."
+        makepkg -si --noconfirm
+    fi
+    
     cd ..
     rm -rf paru
 fi