nixpkgs

59673902 - Merge #87066: thunderbird*: 68.7.0 -> 68.8.0 (security)

Merge #87066: thunderbird*: 68.7.0 -> 68.8.0 (security) https://www.thunderbird.net/en-US/thunderbird/68.8.0/releasenotes/ https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/ (cherry picked from commit 10134fc30160b0459e1e5043bed6ca671188fd4a) Re-tested both briefly on 19.09.