fix(deps): update mantine monorepo to v8 (major) (#3022)

Co-authored-by: homarr-renovate[bot] <158783068+homarr-renovate[bot]@users.noreply.github.com>
Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>

packages/db/package.json

@@ -44,7 +44,7 @@
     "@homarr/env": "workspace:^0.1.0",
     "@homarr/log": "workspace:^0.1.0",
     "@homarr/server-settings": "workspace:^0.1.0",
-    "@mantine/core": "^7.17.7",
+    "@mantine/core": "^8.0.0",
     "@paralleldrive/cuid2": "^2.2.2",
     "@testcontainers/mysql": "^10.25.0",
     "better-sqlite3": "^11.9.1",