This update for seamonkey fixes the following issues:

- update to SeaMonkey 2.53.23
  * Use PluralForm for known networks in cZ bug 1986545.
  * Use PluralForm better for known networks in cZ bug 1999832.
  * Add ESR 140 links to debugQA bug 1993800.
  * Incorrect SeaMonkey version number in BugSplat crash reports bug
    1999135.
  * Update service name in dataman.js bug 1489573.
  * Fixed CSS issue by landing part 1 of bug 1363875.
  * SeaMonkey 2.53.23 uses the same backend as Firefox and contains
    the relevant Firefox 60.8 security fixes.
  * SeaMonkey 2.53.23 shares most parts of the mail and news code with
    Thunderbird. Please read the Thunderbird 60.8.0 release notes for
    specific security fixes in this release.
  * Additional important security fixes up to Current Firefox 140.6
    and Thunderbird 140.6 ESR plus many enhancements have been
    backported. We will continue to enhance SeaMonkey security in
    subsequent 2.53.x beta and release versions as fast as we are able
    to.