dcache, frontend: release dcache-view version 1.6.1

Changelog from v1.6.0 to v1.6.1

Target: master
Request: 6.0
Require-notes: yes

Reviewed at https://rb.dcache.org/r/12235/

pom.xml

@@ -69,7 +69,7 @@
         <version.jetty>9.4.18.v20190429</version.jetty>
         <version.xrootd4j>3.5.5</version.xrootd4j>
         <version.jersey>2.28</version.jersey>
-        <version.dcache-view>1.6.0</version.dcache-view>
+        <version.dcache-view>1.6.1</version.dcache-view>
         <version.netty>4.1.10.Final</version.netty>
         <version.dcache>${project.version}</version.dcache>
         <version.swagger-ui>3.1.7</version.swagger-ui>