Update package version to 5.3

check-version.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+URL="https://tiswww.case.edu/php/chet/bash/bashtop.html"
+
+# Get version number from tag name
+VERSION=$(curl -s -L "$URL" | grep -A1 'The current version of bash is ' | grep -o -E '([0-9]\.[0-9]*)')
+
+echo "$VERSION"