WaveTrove redistributed toolchain runtime notice bundle

Runtime binary: libgcc_s_seh-1.dll
License basis: GNU GPLv3-or-later with GCC Runtime Library Exception 3.1.
The exact Debian copyright texts captured from the pinned Docker build image
are retained under notices/toolchain/.

Toolchain packages captured from the build image:
- binutils 2.40-2
- binutils-common:amd64 2.40-2
- binutils-mingw-w64-x86-64 2.40-2+10.4
- binutils-x86-64-linux-gnu 2.40-2
- gcc 4:12.2.0-3
- gcc-12 12.2.0-14+deb12u1
- gcc-12-base:amd64 12.2.0-14+deb12u1
- gcc-mingw-w64-base:amd64 12.2.0-14+deb12u1+25.2+b1
- gcc-mingw-w64-x86-64 12.2.0-14+25.2
- gcc-mingw-w64-x86-64-posix 12.2.0-14+deb12u1+25.2+b1
- gcc-mingw-w64-x86-64-posix-runtime 12.2.0-14+deb12u1+25.2+b1
- gcc-mingw-w64-x86-64-win32 12.2.0-14+deb12u1+25.2+b1
- gcc-mingw-w64-x86-64-win32-runtime 12.2.0-14+deb12u1+25.2+b1
- make 4.3-4.1
- mingw-w64-common 10.0.0-3
- mingw-w64-x86-64-dev 10.0.0-3
- nasm 2.16.01-1
- pkg-config:amd64 1.8.1-1
- yasm 1.3.0-4

Corresponding-source offers recorded for qualified review:
- gcc-12 12.2.0-14+deb12u1: https://sources.debian.org/src/gcc-12/12.2.0-14%2Bdeb12u1/
- gcc-mingw-w64 25.2: https://packages.debian.org/bookworm/source/amd64/gcc-mingw-w64

The selected Free AI `0.0.2-rc19-rci3` review accepted the recorded toolchain
source, notice, and artifact-parity evidence. Changed or broader releases
require a new review.
