Fix typo in CertificatePolicy.KeySize documentation (Azure#47794)

* Fix typo in documentation

* Update CHANGELOG.md

Author: JonathanCrd

sdk/keyvault/Azure.Security.KeyVault.Certificates/CHANGELOG.md

@@ -7,6 +7,7 @@
 ### Breaking Changes
 
 ### Bugs Fixed
+- Corrected a typo in the documentation for `CertificatePolicy.KeySize`, changing the RSA key length from "4092" to "4096".
 
 ### Other Changes
 

sdk/keyvault/Azure.Security.KeyVault.Certificates/src/CertificatePolicy.cs

@@ -178,7 +178,7 @@ public CertificatePolicy()
         public CertificateKeyCurveName? KeyCurveName { get; set; }
 
         /// <summary>
-        /// Gets or sets the size of the RSA key. The value must be a valid RSA key length such as 2048 or 4092.
+        /// Gets or sets the size of the RSA key. The value must be a valid RSA key length such as 2048 or 4096.
         /// </summary>
         public int? KeySize { get; set; }