Bump modules/mkdocs-material from ed9e0bd to 4e376c4

Bumps [modules/mkdocs-material](https://github.com/privacyguides/mkdocs-material-insiders) from `ed9e0bd` to `4e376c4`.
- [Commits](privacyguides/mkdocs-material-insiders@ed9e0bd...4e376c4)

---
updated-dependencies:
- dependency-name: modules/mkdocs-material
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>