Update dependency sass-loader to v15

This MR contains the following updates:

Package	Type	Update	Change
sass-loader	devDependencies	major	^14.0.0 -> ^15.0.0

---

Release Notes

webpack-contrib/sass-loader (sass-loader)

v15.0.0

Compare Source

⚠ BREAKING CHANGES

• prefer sass-embedded over sass by default (#​1211)

Features

• prefer sass-embedded over sass by default (#​1211) (83423ff)

14.2.1 (2024-04-16)

Bug Fixes

• avoid multiple sass compiler creation (#​1199) (77051d8)

---

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.