minor #12556 Fix DOCtor-RST build on master (OskarStark)

This PR was merged into the master branch.

Discussion
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Fix DOCtor-RST build on master

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Commits
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a896a77 Fix DOCtor-RST build on master

Author: OskarStark

.doctor-rst.yaml

@@ -82,3 +82,4 @@ whitelist:
         - '$var .= "Because of this `\xE9` octet (\\xE9),\n";'
         - "`Deploying Symfony 4 Apps on Heroku`_."
         - ".. _`Deploying Symfony 4 Apps on Heroku`: https://devcenter.heroku.com/articles/deploying-symfony4"
+        - "//                  224, 165, 141, 224, 164, 164, 224, 165, 135])"