[FIX] tools.image: Update IMAGE_MAX_RESOLUTION

New phones go up to 48MP (Samsung Galaxy A22).
Also the error message was saying 4.5 instead of 45.

opw-3020614, opw-3020502

Close #104424

closes odoo/odoo#103883

X-original-commit: 2ec990c8
Signed-off-by: Xavier Morel (xmo) <xmo@odoo.com>