feature #35298 Make sure the UriSigner can be autowired (Toflar)

This PR was merged into the 5.1-dev branch.

Discussion
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Make sure the UriSigner can be autowired

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Tickets       |
| License       | MIT
| Doc PR        |

I wasn't able to find the correct spot where this is tested. Is it even tested and if so, can you point me as to where to add tests for that? Thanks 😄

Commits
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9ad1caa Make sure the UriSigner can be autowired

src/Symfony/Bundle/FrameworkBundle/Resources/config/services.xml

@@ -89,6 +89,7 @@
         <service id="uri_signer" class="Symfony\Component\HttpKernel\UriSigner">
             <argument>%kernel.secret%</argument>
         </service>
+        <service id="Symfony\Component\HttpKernel\UriSigner" alias="uri_signer" />
 
         <service id="config_cache_factory" class="Symfony\Component\Config\ResourceCheckerConfigCacheFactory">
             <argument type="tagged_iterator" tag="config_cache.resource_checker" />