The workflows.api.php file contains the following sentence. (Emphasis is mine.)
For example, Content Moderation module uses its the Workflow Type Plugin to link workflows to entities.
An article should not be used before a possessive pronoun. The correct sentence should be the following one.
For example, the Content Moderation module uses its Workflow Type Plugin to link workflows to entities.
I would not capitalize the words in Workflow Type Plugin, but that is not a grammar mistake, at least.