AZL-51701 CVE-2024-50383 affecting package botan2 2.14.0-2

Botan before 3.6.0, when certain GCC versions are used, has a compiler-induced secret-dependent operation in lib/utils/donna128.h in donna128 used in Chacha-Poly1305 and x25519. An addition can be skipped if a carry is not set. This was observed for GCC 11.3.0 with -O2 on MIPS, and GCC on x86-i38...