minor symfony#53446 [FrameworkBundle] add the new jitter option to the XML schema definition (xabbuh)

This PR was merged into the 7.1 branch.

Discussion
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[FrameworkBundle] add the new jitter option to the XML schema definition

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

Commits
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aae3885 add the new jitter option to the XML schema definition

Author: nicolas-grekas

src/Symfony/Bundle/FrameworkBundle/Resources/config/schema/symfony-1.0.xsd

@@ -609,6 +609,7 @@
         <xsd:attribute name="delay" type="xsd:integer" />
         <xsd:attribute name="multiplier" type="xsd:float" />
         <xsd:attribute name="max-delay" type="xsd:float" />
+        <xsd:attribute name="jitter" type="xsd:float" />
     </xsd:complexType>
 
     <xsd:complexType name="messenger_bus">