Execute the following commands from the root of your project:

install_name_tool -change 'a' 'a' addons/webview/libgdwebview.macos.arm64.dylib
install_name_tool -change 'a' 'a' addons/webview/libqtcute.dylib
install_name_tool -change 'a' 'a' addons/webview/libqtcute_metal.dylib

This resets the signing.