bug symfony#27968 [FrameworkBundle] add missing XSD entry for taggable cache pools (xabbuh)

This PR was merged into the 4.2-dev branch.

Discussion
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[FrameworkBundle] add missing XSD entry for taggable cache pools

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Commits
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d59cf77 add missing XSD entry for taggable cache pools

Author: fabpot

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

@@ -265,6 +265,7 @@
     <xsd:complexType name="cache_pool">
         <xsd:attribute name="name" type="xsd:string" use="required" />
         <xsd:attribute name="adapter" type="xsd:string" />
+        <xsd:attribute name="tags" type="xsd:string" />
         <xsd:attribute name="public" type="xsd:boolean" />
         <xsd:attribute name="default-lifetime" type="xsd:integer" />
         <xsd:attribute name="provider" type="xsd:string" />