Upgrading to eos 4.4.32 that brings some [SSD scrubbing...

Upgrading to eos 4.4.32 that brings some [SSD scrubbing fixes](https://its.cern.ch/jira/browse/EOS-3349) for the new pps and xrdfs query backup bit on eos.

continuousintegration/docker/ctafrontend/cc7/etc/yum/pluginconf.d/versionlock.list

-0:eos-archive-4.4.30-1.el7.cern.x86_64
-0:eos-cleanup-4.4.30-1.el7.cern.x86_64
-0:eos-client-4.4.30-1.el7.cern.x86_64
-0:eos-debuginfo-4.4.30-1.el7.cern.x86_64
-0:eos-fuse-4.4.30-1.el7.cern.x86_64
-0:eos-fuse-core-4.4.30-1.el7.cern.x86_64
-0:eos-fuse-sysv-4.4.30-1.el7.cern.x86_64
-0:eos-fusex-4.4.30-1.el7.cern.x86_64
-0:eos-fusex-core-4.4.30-1.el7.cern.x86_64
-0:eos-fusex-selinux-4.4.30-1.el7.cern.x86_64
-0:eos-server-4.4.30-1.el7.cern.x86_64
-0:eos-srm-4.4.30-1.el7.cern.x86_64
-0:eos-test-4.4.30-1.el7.cern.x86_64
-0:eos-testkeytab-4.4.30-1.el7.cern.x86_64
+0:eos-archive-4.4.32-1.el7.cern.x86_64
+0:eos-cleanup-4.4.32-1.el7.cern.x86_64
+0:eos-client-4.4.32-1.el7.cern.x86_64
+0:eos-debuginfo-4.4.32-1.el7.cern.x86_64
+0:eos-fuse-4.4.32-1.el7.cern.x86_64
+0:eos-fuse-core-4.4.32-1.el7.cern.x86_64
+0:eos-fuse-sysv-4.4.32-1.el7.cern.x86_64
+0:eos-fusex-4.4.32-1.el7.cern.x86_64
+0:eos-fusex-core-4.4.32-1.el7.cern.x86_64
+0:eos-fusex-selinux-4.4.32-1.el7.cern.x86_64
+0:eos-server-4.4.32-1.el7.cern.x86_64
+0:eos-srm-4.4.32-1.el7.cern.x86_64
+0:eos-test-4.4.32-1.el7.cern.x86_64
+0:eos-testkeytab-4.4.32-1.el7.cern.x86_64
 1:python2-xrootd-4.9.0-1.el7.*
 1:python3-xrootd-4.9.0-1.el7.*
 1:xrootd-4.9.0-1.el7.*