Run rnc generation after Feature-Policy Support

After the Feature-Policy support changes the format of the xsd did not
align with the generator which meant running the build caused changes
for the commit.

This commit ran the xsd generation so that the formatting would be
consistent with the generator.

Issue: gh-5670

config/src/main/resources/org/springframework/security/config/spring-security-5.1.xsd

@@ -2467,17 +2467,19 @@
   </xs:attributeGroup>
   <xs:element name="feature-policy">
       <xs:annotation>
-          <xs:documentation>Adds support for Feature Policy</xs:documentation>
+         <xs:documentation>Adds support for Feature Policy
+                </xs:documentation>
       </xs:annotation>
       <xs:complexType>
-          <xs:attributeGroup ref="security:feature-options.attlist"/>
+         <xs:attributeGroup ref="security:feature-options.attlist"/>
       </xs:complexType>
-  </xs:element>
+   </xs:element>
   <xs:attributeGroup name="feature-options.attlist">
       <xs:attribute name="policy-directives" type="xs:token">
-          <xs:annotation>
-              <xs:documentation>The security policy directive(s) for the Feature-Policy header.</xs:documentation>
-          </xs:annotation>
+         <xs:annotation>
+            <xs:documentation>The security policy directive(s) for the Feature-Policy header.
+                </xs:documentation>
+         </xs:annotation>
       </xs:attribute>
   </xs:attributeGroup>
   <xs:element name="cache-control">
@@ -2735,4 +2737,4 @@
          <xs:enumeration value="LAST"/>
       </xs:restriction>
   </xs:simpleType>
-</xs:schema>
+</xs:schema>