minor #20022 [DependencyInjection] Fix typo in docs (sukhoy94)

This PR was submitted for the 7.1 branch but it was merged into the 5.4 branch instead.

Discussion
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[DependencyInjection] Fix typo in docs

Change Whilst to While

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Commits
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c827484 Fix typo

Author: javiereguiluz

components/dependency_injection/compilation.rst

@@ -150,7 +150,7 @@ will look like this::
         ],
     ]
 
-Whilst you can manually manage merging the different files, it is much better
+While you can manually manage merging the different files, it is much better
 to use :doc:`the Config component </components/config>` to
 merge and validate the config values. Using the configuration processing
 you could access the config value this way::