Bump mkdocs-include-markdown-plugin in the mkdocs group (#789)

Bumps the mkdocs group with 1 update: [mkdocs-include-markdown-plugin](https://github.com/mondeja/mkdocs-include-markdown-plugin).


Updates `mkdocs-include-markdown-plugin` from 7.1.5 to 7.1.6
- [Release notes](https://github.com/mondeja/mkdocs-include-markdown-plugin/releases)
- [Commits](mondeja/mkdocs-include-markdown-plugin@v7.1.5...v7.1.6)

---
updated-dependencies:
- dependency-name: mkdocs-include-markdown-plugin
  dependency-version: 7.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: mkdocs
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 mkdocs==1.6.1
 mkdocs-bibtex==4.2.5
-mkdocs-include-markdown-plugin==7.1.5
+mkdocs-include-markdown-plugin==7.1.6
 mkdocs-table-reader-plugin==3.1.0
 mkdocs-material==9.6.14
 mkdocs-material-extensions==1.3.1