Updated firefox packages fix security vulnerabilities

Updated firefox packages fix security vulnerabilities. Cross-origin theft of images with ImageBitmapRenderingContext. (CVE-2018-18511) Out-of-bounds read in Skia. (CVE-2019-5798) Use-after-free in png_image_free of libpng library. (CVE-2019-7317) Cross-origin theft of images with createImageBitmap. (CVE-2019-9797) Memory safety bugs fixed in Firefox 67, Firefox ESR 60.7, and firefox 60.7. (CVE-2019-9800) Type confusion with object groups and UnboxedObjects. (CVE-2019-9816) Stealing of cross-domain images using canvas. (CVE-2019-9817) Use-after-free in crash generation server. (CVE-2019-9818) Compartment mismatch with fetch API. (CVE-2019-9819) Use-after-free of ChromeEventHandler by DocShell. (CVE-2019-9820) Use-after-free in XMLHttpRequest. (CVE-2019-11691) Use-after-free removing listeners in the event listener manager. (CVE-2019-11692) Buffer overflow in WebGL bufferdata on Linux. (CVE-2019-11693) Theft of user history data through drag and drop of hyperlinks to and from bookmarks. (CVE-2019-11698)