Honor homebrew curlrc config for analytics

Library/Homebrew/utils/analytics.rb

@@ -54,12 +54,13 @@ module Utils
         require "utils/curl"
 
         curl = Utils::Curl.curl_executable
+        args = Utils::Curl.curl_args(*args, "--silent", "--output", "/dev/null", show_error: false)
         if ENV["HOMEBREW_ANALYTICS_DEBUG"]
           puts "#{curl} #{args.join(" ")} \"#{url}\""
           puts Utils.popen_read(curl, *args, url)
         else
           pid = fork do
-            exec curl, *args, "--silent", "--output", "/dev/null", url
+            exec curl, *args, url
           end
           Process.detach T.must(pid)
         end

Library/Homebrew/utils/curl.rb

@@ -65,7 +65,7 @@ module Utils
         show_error:      T.nilable(T::Boolean),
         user_agent:      T.any(String, Symbol, NilClass),
         referer:         T.nilable(String),
-      ).returns(T::Array[T.untyped])
+      ).returns(T::Array[String])
     }
     def curl_args(
       *extra_args,
@@ -129,7 +129,7 @@ module Utils
 
       args << "--referer" << referer if referer.present?
 
-      args + extra_args
+      (args + extra_args).map(&:to_s)
     end
 
     def curl_with_workarounds(