Update dependency mkdocs-material to v9.6.15

This MR contains the following updates:

Package	Change	Age	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 MR becomes conflicted, or you tick the rebase/retry checkbox.

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

---

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

---

This MR has been generated by Renovate Bot.