Update dependency wpackagist-plugin/classic-editor to v1.6.6

This MR contains the following updates:

Package	Type	Update	Change
wpackagist-plugin/classic-editor (source)	require	patch	1.6.5 -> 1.6.6

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This MR has been generated by Renovate Bot.

mentioned in issue #139

marked the checklist item If you want to rebase/retry this MR, check this box as completed

marked the checklist item If you want to rebase/retry this MR, check this box as incomplete

added 3 commits

• ff96aaf3...e673324a - 2 commits from branch master
• 42ab9fe2 - Update dependency wpackagist-plugin/classic-editor to v1.6.6

Compare with previous version

merged

mentioned in commit 24518ea5