libs: update to nfs4j-0.11.1

bugfix release:

Changelog for nfs4j-0.11.0..nfs4j-0.11.1
    * [e4267b6] [maven-release-plugin] prepare for next development iteration
    * [28202fa] nfs4: trim result of OperationGETATTR#attrMask2String()
    * [50de520] nfs: fix bad cookie
    * [9e9bf4d] libs: update oncrpc4j-2.4.2
    * [79ff25a] [maven-release-plugin] prepare release nfs4j-0.11.1

Ticket: #8598
Acked-by: Gerd Behrmann
Target: master, 2.13
Require-book: no
Require-notes: yes

pom.xml

@@ -812,7 +812,7 @@
         <dependency>
             <groupId>org.dcache</groupId>
             <artifactId>nfs4j-core</artifactId>
-            <version>0.11.0</version>
+            <version>0.11.1</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.dcache.common</groupId>