When installing WhiteSur GTK theme through this tutorial video at (5:56) Please help
=========== ERROR LOG ===========
>>> W: GPG error: https://dl.winehq.org/wine-builds/ubuntu jammy InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 76F1A20FF987672F
>>> E: The repository 'https://dl.winehq.org/wine-builds/ubuntu jammy InRelease' is not signed.
>>> N: Updating from such a repository can't be done securely, and is therefore disabled by default.
>>> N: See apt-secure(8) manpage for repository creation and user configuration details.
=========== ERROR INFO ==========
FOUND :
>>> install.sh
>>> lib-core.sh
>>> lib-install.sh at 131;137
SNIPPET:
>>> apt update -y
TRACE :
>>> signal_error
>>> prepare_install_apt_packages
>>> install_theme_deps
>>> install_themes
>>> main
=========== SYSTEM INFO =========
DISTRO : ubuntu;debian;22.04
SUDO : no
GNOME : 42-0
REPO : 2022-06-03T19:41:53+0530
HINT: You can run: 'sudo apt install sassc libglib2.0-dev libxml2-utils' on ubuntu 18.04 or 'sudo apt install sassc libglib2.0-dev-bin' on ubuntu >= 20.04
HINT: You can google or report to us the info above
https://github.com/vinceliuice/WhiteSur-gtk-theme/issues