minor symfony#11122 moved XSD to HTTPS (OskarStark)

This PR was merged into the 3.4 branch.

Discussion
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moved XSD to HTTPS

as @fabpot did this in the code base, I think we should reflect the changes in the docs, too.

Refs symfony/symfony#30434

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Commits
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f57eabe moved XSD to HTTPS

Author: javiereguiluz

_includes/service_container/_my_mailer.rst.inc

@@ -15,7 +15,7 @@
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://symfony.com/schema/dic/services
-                http://symfony.com/schema/dic/services/services-1.0.xsd">
+                https://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <services>
                 <service id="app.mailer" class="AppBundle\Mailer">

bundles/best_practices.rst

@@ -352,7 +352,7 @@ The end user can provide values in any configuration file:
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://symfony.com/schema/dic/services
-                http://symfony.com/schema/dic/services/services-1.0.xsd">
+                https://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <parameters>
                 <parameter key="acme_blog.author.email">fabien@example.com</parameter>