Updated thunderbird packages fix security vulnerabilities

Updated thunderbird packages fix security vulnerabilities: Mozilla: Memory safety bugs fixed in Firefox 60 and Firefox ESR 52.8 (CVE-2018-5150). Mozilla: Use-after-free with SVG animations and clip paths (CVE-2018-5154). Mozilla: Use-after-free with SVG animations and text paths (CVE-2018-5155). Mozilla: Integer overflow and out-of-bounds write in Skia (CVE-2018-5159). Mozilla: Hang via malformed headers (CVE-2018-5161). Mozilla: Encrypted mail leaks plaintext through src attribute (CVE-2018-5162). Mozilla: Lightweight themes can be installed without user interaction (CVE-2018-5168). Mozilla: Filename spoofing for external attachments (CVE-2018-5170). Mozilla: Buffer overflow during UTF-8 to Unicode string conversion through legacy extension (CVE-2018-5178). Mozilla: Backport critical security fixes in Skia (CVE-2018-5183). Mozilla: Full plaintext recovery in S/MIME via chosen-ciphertext attack (CVE-2018-5184). Mozilla: Leaking plaintext through HTML forms (CVE-2018-5185).