l10n_ch QR bill report needs level 'M' (15% red.) instead of default level 'L' (7% red.) as per: https://en.wikipedia.org/wiki/QR_code#Error_correction See specifications at: https://www.paymentstandards.ch/dam/downloads/ig-qr-bill-en.pdf The layout of higher level of Error Correction are made of a thicker grid with more squares (more information) at the cost of them being smaller (a little harder to be read by the scanner). opw-2584899 closes odoo/odoo#82932 X-original-commit: 0f374b61a6f3b25a1f986afe455c0e42797a5769 Signed-off-by: William André (wan) <wan@odoo.com> Signed-off-by: Paolo Gatti (pgi) <pgi@odoo.com>