build(deps): Bump mkdocs-glightbox from 0.3.1 to 0.3.2 in /docs

Bumps [mkdocs-glightbox](https://github.com/Blueswen/mkdocs-glightbox) from 0.3.1 to 0.3.2.
- [Release notes](https://github.com/Blueswen/mkdocs-glightbox/releases)
- [Changelog](https://github.com/blueswen/mkdocs-glightbox/blob/main/CHANGELOG)
- [Commits](blueswen/mkdocs-glightbox@v0.3.1...v0.3.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

docs/requirements.txt

@@ -1,3 +1,3 @@
 mkdocs==1.4.2
-mkdocs-glightbox==0.3.1
+mkdocs-glightbox==0.3.2
 mkdocs-material==9.1.5