Bump mkdocs-material to v9.6.15

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mkdocs-material (changelog)	==9.6.14 -> ==9.6.15

---

Release Notes

squidfunk/mkdocs-material (mkdocs-material)

v9.6.15: mkdocs-material-9.6.15

Compare Source

• Updated Mongolian translations
• Improved semantic markup of "edit this page" button
• Improved info plugin virtual environment resolution
• Fixed #​8291: Large font size setting throws of breakpoints in JavaScript

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (5122a1a) to head (34b6834).
Report is 2 commits behind head on main.

Additional details and impacted files

@@    Coverage Diff     @@
##   main   #58   +/-   ##
==========================
==========================

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.