update xrootd version

var/local/mkosi/mkosi.postinst

@@ -4,11 +4,11 @@ yum install -y --releasever=7 \
     curl \
     gperftools \
     hostname \
-    xrootd-server-5.1.0 \
-    xrootd-client-5.1.0 \
-    xrootd-5.1.0 \
-    xrootd-voms-5.1.0 \
-    xrootd-libs-5.1.0 \
+    xrootd-server-5.3.1 \
+    xrootd-client-5.3.1 \
+    xrootd-5.3.1 \
+    xrootd-voms-5.3.1 \
+    xrootd-libs-5.3.1 \
     voms-clients \
     wlcg-voms-atlas \
     fetch-crl \
@@ -16,4 +16,4 @@ yum install -y --releasever=7 \
     yum-utils \
     python-requests
 
-yum --releasever=7 --disablerepo="*" --enablerepo="osg-upcoming-testing" install -y xrootd-rucioN2N-for-Xcache-1.2-3.3.osg35up.el7.x86_64
+yum --releasever=7 --disablerepo="*" --enablerepo="osg-upcoming-testing" install -y xrootd-rucioN2N-for-Xcache