Updated firefox packages fix security vulnerabilities

The updated packages fix several bugs and some security issues: Sandbox escape through Firefox Sync. (CVE-2019-9812) Stored passwords in ‘Saved Logins’ can be copied without master password entry. (CVE-2019-11733) Memory safety bugs fixed in Firefox 69 and Firefox ESR 68.1. (CVE-2019-11735) File manipulation and privilege escalation in Mozilla Maintenance Service. (CVE-2019-11736) Content security policy bypass through hash-based sources in directives. (CVE-2019-11738) Memory safety bugs fixed in Firefox 69, Firefox ESR 68.1, and Firefox ESR 60.9. (CVE-2019-11740) Same-origin policy violation with SVG filters and canvas to steal cross-origin images. (CVE-2019-11742) Cross-origin access to unload event attributes. (CVE-2019-11743) XSS by breaking out of title and textarea elements using innerHTML. (CVE-2019-11744) Use-after-free while manipulating video. (CVE-2019-11746) ‘Forget about this site’ removes sites from pre-loaded HSTS list. (CVE-2019-11747) Persistence of WebRTC permissions in a third party context. (CVE-2019-11748) Camera information available without prompting using getUserMedia. (CVE-2019-11749) Type confusion in Spidermonkey. (CVE-2019-11750) Malicious code execution through command line parameters. (CVE-2019-11751) Use-after-free while extracting a key value in IndexedDB. (CVE-2019-11752) Privilege escalation with Mozilla Maintenance Service in custom Firefox installation location. (CVE-2019-11753)