minor #21629 Fix #[AutowireInline] PHP attribute documentation (Hugo Hamon)

This PR was merged into the 7.3 branch.

Discussion
----------

 Fix `#[AutowireInline]` PHP attribute documentation

Commits
-------

d8fabc8 Fix `#[AutowireInline]` PHP attribute documentation

Author: javiereguiluz

service_container/autowiring.rst

@@ -876,7 +876,7 @@ corresponding arguments::
 
     public function __construct(
         #[AutowireInline(
-            factory: [ScopingHttpClient::class, 'forBaseUri'],
+            class: [ScopingHttpClient::class, 'forBaseUri'],
             arguments: [
                 '$baseUri' => 'https://api.example.com',
                 '$defaultOptions' => [