Note worthy changes

• Updated VK urls from "vk.com" to "vk.ru".
• Added new socialaccount provider: Discogs.
• MediaWiki: you can now setup a custom user agent to avoid getting blocked, see: https://phabricator.wikimedia.org/T400119
• IdP: Added optional support for wildcards in redirect URIs and CORS origins. To support this, a new field was added to the Client model. Therefore, you need to run migrations for the allauth.idp.oidc app.
• Headless: an email address that was in the process of being verified by code was presented in the list of email address, but could not be deleted. Now, a DELETE will actually abort the process, effectively removing the pending email address from the list.