fix: Add local declaration for lowest variable and improve opkg status error redirection spacing

podkop/files/usr/lib/helpers.sh

@@ -53,7 +53,9 @@ is_min_package_version() {
     local current="$1"
     local required="$2"
 
+    local lowest
     lowest="$(printf '%s\n' "$current" "$required" | sort -V | head -n1)"
+
     [ "$lowest" = "$required" ]
 }