Bump JS dependencies

[timkpaine]

Bump JS dependencies across python/* and javascript/* templates to latest within current majors.

• oxlint 1.85.0, oxfmt 0.70.0, @playwright/test 1.63.0, @types/node 26.6.3
• vite 8.3.1, jsdom 30.1.1, cpy 13.2.3, svelte 5.57.1, @sveltejs/vite-plugin-svelte 7.3.1
• react / react-dom / @types/react / @types/react-dom 19.3.0, @testing-library/react 16.3.3
• @awesome.me/webawesome 3.14.0
• jupyter: @jupyterlab/* 4.6.4 (services 7.6.4, apputils 4.7.4), @babel/* 8.0.6, jest / babel-jest / jest-environment-jsdom 30.5.2, css-loader 7.1.5
• packageManager pnpm 11.28.0

Not included (major bumps): vitest 5, pnpm 12, typescript 7 in javascript/* templates.