Script to update config file to replace VSCodium repository OpenVSX Marketplace with Microsoft Visualstudio Marketplace in extensionsGallery:
{
"serviceUrl": "https://marketplace.visualstudio.com/_apis/public/gallery",
"cacheUrl": "https://vscode.blob.core.windows.net/gallery/index",
"itemUrl": "https://marketplace.visualstudio.com/items"
}
Please refer to official documentation: https://github.com/VSCodium/vscodium/blob/master/DOCS.md#howto-openvsx-marketplace