Update dependency mkdocs-include-markdown-plugin to v6.0.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mkdocs-include-markdown-plugin (changelog)	==6.0.3 -> ==6.0.4

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Release Notes

mondeja/mkdocs-include-markdown-plugin (mkdocs-include-markdown-plugin)

### [`v6.0.4`](https://togithub.com/mondeja/mkdocs-include-markdown-plugin/releases/tag/v6.0.4) [Compare Source](https://togithub.com/mondeja/mkdocs-include-markdown-plugin/compare/v6.0.3...v6.0.4) #### Bug fixes - Fixed logging variables not included formatting messages (regression from [v6.0.2](https://togithub.com/mondeja/mkdocs-include-markdown-plugin/releases/tag/v6.0.2)).

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