minor #11273 typo (OskarStark)

This PR was merged into the 3.4 branch.

Discussion
----------

typo

to be consistent throughout the docs

<!--

If your pull request fixes a BUG, use the oldest maintained branch that contains
the bug (see https://symfony.com/roadmap for the list of maintained branches).

If your pull request documents a NEW FEATURE, use the same Symfony branch where
the feature was introduced (and `master` for features of unreleased versions).

-->

Commits
-------

4182c8c typo

Author: javiereguiluz

setup/upgrade_major.rst

@@ -82,7 +82,7 @@ Now, you can start fixing the notices:
 
     Remaining deprecation notices (6)
 
-    The "request" service is deprecated and will be removed in 3.0. Add a typehint for
+    The "request" service is deprecated and will be removed in 3.0. Add a type-hint for
     Symfony\Component\HttpFoundation\Request to your controller parameters to retrieve the
     request instead: 6x
         3x in PageAdminTest::testPageShow from Symfony\Cmf\SimpleCmsBundle\Tests\WebTest\Admin