GHSA-JM3V-QXMH-HXWV Scrapy's redirects ignoring scheme-specific proxy settings

Impact When using system proxy settings, which are scheme-specific i.e. specific to http:// or https:// URLs, Scrapy was not accounting for scheme changes during redirects. For example, an HTTP request would use the proxy configured for HTTP and, when redirected to an HTTPS URL, the new HTTPS...