pom: update nfs4j to 0.26.1

Minor bugfix release:
Changelog for nfs4j-0.26.0..nfs4j-0.26.1
    * [9549ef09] [maven-release-plugin] prepare for next development iteration
    * [de830496] server-side-copy: handle unsupported case of async copy
    * [2a183728] [maven-release-plugin] prepare release nfs4j-0.26.1

Acked-by:
Target: master, 11.2, 11.1, 11.0
Require-book: no
Require-notes: yes
Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>

Author: kofemann

pom.xml

@@ -84,7 +84,7 @@
         <version.jna>5.4.0</version.jna>
         <jmh.version>1.35</jmh.version>
         <version.dropwizard>4.1.29</version.dropwizard>
-        <version.nfs4j>0.26.0</version.nfs4j>
+        <version.nfs4j>0.26.1</version.nfs4j>