NIFIREG-455 upgrade jgit version for nifi-registry GitFlowPersistenceProvider

Signed-off-by: Matthew Burgess <mattyb149@apache.org>

This closes #5123
diff --git a/nifi-registry/pom.xml b/nifi-registry/pom.xml
index 2a27126..d218e1a 100644
--- a/nifi-registry/pom.xml
+++ b/nifi-registry/pom.xml
@@ -100,7 +100,7 @@
 	    <h2.version>1.4.199</h2.version>
         <groovy.eclipse.compiler.version>3.4.0-01</groovy.eclipse.compiler.version>
         <jaxb.version>2.3.2</jaxb.version>
-        <jgit.version>5.8.1.202007141445-r</jgit.version>
+        <jgit.version>5.11.1.202105131744-r</jgit.version>
     </properties>
 
     <repositories>