[FIX] base: traceback on pdf read error

Create a vendor bill with a specific attachment (on ticket)
Go to vendor bill list view
Select the created bill and another one
Print > Original Bills

Traceback due to unhandled ValueError on pdf read

opw-3498898

closes odoo/odoo#135075

Signed-off-by: Julien Castiaux (juc) <juc@odoo.com>

odoo/addons/base/models/ir_actions_report.py

@@ -629,7 +629,7 @@ class IrActionsReport(models.Model):
             try:
                 reader = PdfFileReader(stream)
                 writer.appendPagesFromReader(reader)
-            except (PdfReadError, TypeError, NotImplementedError):
+            except (PdfReadError, TypeError, NotImplementedError, ValueError):
                 raise UserError(_("Odoo is unable to merge the generated PDFs."))
         result_stream = io.BytesIO()
         streams.append(result_stream)