[REF] checklog-odoo: Suppress noisy WARNING from attachment_indexation about missing pdfminer.six

The PDF indexation function is never called by the module `attachment_unindex_content`, so the package is not needed. Related to https://github.com/odoo/odoo/blob/d15685304f47/addons/attachment_indexation/models/ir_attachment.py#L17

Author: moylop260

checklog-odoo.cfg

@@ -1,3 +1,4 @@
 [checklog-odoo]
 ignore=
  WARNING.* 0 failed, 0 error\(s\).*
+ WARNING.*Attachment indexation of PDF documents is unavailable because the 'pdfminer\.six'.*