NIFI-9337: added missing enum value SINGLE_BATCH_PER_NODE of FlowFileConcurrencyType (#5484)

diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/FlowConfiguration.xsd b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/FlowConfiguration.xsd
index f6fd2ea..03324c0 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/FlowConfiguration.xsd
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/resources/FlowConfiguration.xsd
@@ -212,6 +212,7 @@
     <xs:simpleType name="FlowFileConcurrencyType">
         <xs:restriction base="xs:string">
             <xs:enumeration value="SINGLE_FLOWFILE_PER_NODE" />
+            <xs:enumeration value="SINGLE_BATCH_PER_NODE" />
             <xs:enumeration value="UNBOUNDED" />
         </xs:restriction>
     </xs:simpleType>