minor #18119 [Hack Day] Issue for newcomers (2). Replace perfom by perform (JuanLuisGarciaBorrego)

This PR was merged into the 2.3 branch.

Discussion
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[Hack Day] Issue for newcomers (2). Replace perfom by perform

| Q             | A
| ------------- | ---
| Branch        | 2.3
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | no
| Fixed tickets | #18089
| License       | MIT
| Doc PR        | reference to the documentation PR, if any

Commits
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f33f192 replace perfom by perform

Author: fabpot

Acl/Dbal/MutableAclProvider.php

@@ -253,7 +253,7 @@ public function updateAcl(MutableAclInterface $acl)
             }
 
             // check properties for deleted, and created ACEs, and perform deletions
-            // we need to perfom deletions before updating existing ACEs, in order to
+            // we need to perform deletions before updating existing ACEs, in order to
             // preserve uniqueness of the order field
             if (isset($propertyChanges['classAces'])) {
                 $this->updateOldAceProperty('classAces', $propertyChanges['classAces']);