Fix npm deprecation warnings

Description

npm WARN deprecated opn@6.0.0: The package has been renamed to `open`
npm WARN deprecated material-ui@0.20.2: You can now upgrade to @material-ui/core
npm WARN deprecated os-homedir@2.0.0: This is not needed anymore. Use `require('os').homedir()` instead.
npm WARN deprecated cross-spawn-async@2.2.5: cross-spawn no longer requires a build toolchain, use it instead
npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated core-js@1.2.7: core-js@<2.6.8 is no longer maintained. Please, upgrade to core-js@3 or at least to actual version of core-js@2.

Guide contributeur

Stack technique

javascriptnodejselectron

Domaine

desktop

Type d'issue

chore

DifficultéDifficulté estimée pour un nouveau contributeur, de 1 pour un très petit changement à 5 pour un travail expert.

2

Temps estiméFourchette de temps approximative pour investiguer, implémenter, tester et préparer une pull request.

1-3 hours

Statut d'activitéDisponibilité apparente de l'issue : fraîche, active, ancienne, bloquée ou en attente d'un mainteneur.

stale

ClartéClarté avec laquelle l'issue explique le changement attendu, les critères d'acceptation et la prochaine étape.

clear

Prérequis

Basic npm knowledgeUnderstanding of package.json

Accessibilité débutantScore de 1 à 100 estimant l'accessibilité de cette issue pour un premier contributeur.

85

Direction de recherche

Examine the list of deprecation warnings in the issue body. For each deprecated package (e.g., opn, material ui), find its usage in package.json and replace it with the suggested alternative (e.g., use 'open' for opn, '@material ui/core' for material ui, etc.). Update the version ranges accordingly and run npm install to verify no warnings remain. Check if any of the replacements introduce breaking changes by reviewing the new packages' documentation or migration guides. The repository is webtorrent desktop, an Electron based app, so ensure the updates are compatible with Electron environment. Consider checking the comments on the issue for any additional guidance from maintainers.