Security fix for the ALT Linux 10 package thunderbird version 91.0.2-alt1

Aug. 23, 2021 Andrey Cherepanov 91.0.2-alt1 - New version. - Build using LLVM 12.0. - Do not build for armh. - Security fixes in 91.0.1: + CVE-2021-29991 Header Splitting possible with HTTP/3 Responses...