chore(deps): update dependencies to latest minor (Mantine 9.6.0)

[gfazioli]

Summary

• @mantine/code-highlight → 9.6.0 (docs)
• @mantine/core → 9.6.0 (root+docs)
• @mantine/hooks → 9.6.0 (root+docs)
• @next/mdx → 16.3.4 (docs)
• @storybook/addon-themes → 10.5.10 (root)
• @storybook/react → 10.5.10 (root)
• @storybook/react-vite → 10.5.10 (root)
• @tabler/icons-react → 3.46.0 (docs)
• @testing-library/react → 16.3.3 (root)
• @testing-library/user-event → 14.6.6 (root)
• @types/react → 19.2.18 (root+docs)
• @types/react-dom → 19.2.5 (root+docs)
• esbuild → 0.28.2 (root)
• next → 16.3.4 (docs)
• oxc-config-mantine → 1.0.3 (root)
• oxfmt → 0.65.0 (root)
• oxlint → 1.80.0 (root)
• postcss → 8.5.26 (root)
• rollup → 4.63.1 (root)
• storybook → 10.5.10 (root)
• tsx → 4.23.13 (root)

Test plan

• yarn test passes
• yarn build succeeds
• yarn docgen runs
• yarn docs:build succeeds