Add attestations by guggero for 27.2rc1 codesigned

[guggero]

No description provided.

[github-actions]

all.SHA256SUMS summary for release 27.2rc1

User (see mapping below)            a b c
aarch64-linux-gnu-debug.tar.gz      █ █ █
aarch64-linux-gnu.tar.gz            █ █ █
arm-linux-gnueabihf-debug.tar.gz    █ █ █
arm-linux-gnueabihf.tar.gz          █ █ █
arm64-apple-darwin-unsigned.tar.gz  █ █ █
arm64-apple-darwin-unsigned.zip     █ █ █
arm64-apple-darwin.tar.gz           █ █ █
arm64-apple-darwin.zip              █ █ █
codesignatures-27.2rc1.tar.gz       █ █ █
powerpc64-linux-gnu-debug.tar.gz    █ █ █
powerpc64-linux-gnu.tar.gz          █ █ █
powerpc64le-linux-gnu-debug.tar.gz  █ █ █
powerpc64le-linux-gnu.tar.gz        █ █ █
riscv64-linux-gnu-debug.tar.gz      █ █ █
riscv64-linux-gnu.tar.gz            █ █ █
win64-debug.zip                     █ █ █
win64-setup-unsigned.exe            █ █ █
win64-setup.exe                     █ █ █
win64-unsigned.tar.gz               █ █ █
win64.zip                           █ █ █
x86_64-apple-darwin-unsigned.tar.gz █ █ █
x86_64-apple-darwin-unsigned.zip    █ █ █
x86_64-apple-darwin.tar.gz          █ █ █
x86_64-apple-darwin.zip             █ █ █
x86_64-linux-gnu-debug.tar.gz       █ █ █
x86_64-linux-gnu.tar.gz             █ █ █
bitcoin-27.2rc1.tar.gz              █ █ █

Details

Symbols:

• all hashes match: █
• missing hash: X
• hash mismatch: one of ◆, ▞, ▄, ▀, ▌, ▐, ▚

Username mapping:

• a: laanwj
• b: guggero
• c: achow101