download_strategy: automatically use apache.org https mirror

Discussion: https://github.com/Homebrew/homebrew/issues/37945


Patch by @jacknagel.

Closes Homebrew/homebrew#38492.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Library/Homebrew/download_strategy.rb

@@ -343,7 +343,9 @@ class CurlApacheMirrorDownloadStrategy < CurlDownloadStrategy
     @tried_apache_mirror = true
 
     mirrors = Utils::JSON.load(apache_mirrors)
-    @url = mirrors.fetch('preferred') + mirrors.fetch('path_info')
+    path_info = mirrors.fetch("path_info")
+    @url = mirrors.fetch('preferred') + path_info
+    @mirrors |= %W[https://archive.apache.org/dist/#{path_info}]
 
     ohai "Best Mirror #{@url}"
     super