Bump mkdocs-glightbox from 0.4.0 to 0.5.1 (#61)

Bumps [mkdocs-glightbox](https://github.com/blueswen/mkdocs-glightbox) from 0.4.0 to 0.5.1.
- [Release notes](https://github.com/blueswen/mkdocs-glightbox/releases)
- [Changelog](https://github.com/blueswen/mkdocs-glightbox/blob/main/CHANGELOG)
- [Commits](blueswen/mkdocs-glightbox@v0.4.0...v0.5.1)

---
updated-dependencies:
- dependency-name: mkdocs-glightbox
  dependency-version: 0.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
 mkdocs-material[imaging]==9.6.18
 mkdocs-git-revision-date-localized-plugin==1.4.7
 mkdocs-git-committers-plugin-2==2.5.0
-mkdocs-glightbox==0.4.0
+mkdocs-glightbox==0.5.1