minor #51551 [Security] Add changelog note about calling the constructor of DefaultLoginRateLimiter with an empty secret (alexandre-daubois)

This PR was merged into the 6.4 branch.

Discussion
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[Security] Add changelog note about calling the constructor of `DefaultLoginRateLimiter` with an empty secret

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | yes
| Tickets       | -
| License       | MIT
| Doc PR        | -

Related to symfony/symfony#51550

Commits
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380569af88 [Security] Add changelog note about calling the constructor of `DefaultLoginRateLimiter` with an empty secret

Author: fabpot

CHANGELOG.md

@@ -5,6 +5,7 @@ CHANGELOG
 ---
 
  * `UserValueResolver` no longer implements `ArgumentValueResolverInterface`
+ * Deprecate calling the constructor of `DefaultLoginRateLimiter` with an empty secret
 
 6.3
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