[6.0] 140ffe2a4 rename the PowerTools leftovers

[Reza Naghibi]

commit 140ffe2a46bc09139834fb531ff1c5b219b7878b
Author: Guillaume Quintard <guillaume at varnish-software.com>
Date:   Thu Dec 10 21:52:44 2020 -0800

    rename the PowerTools leftovers
    
     Conflicts:
            doc/sphinx/installation/install_source.rst

diff --git a/.circleci/make-rpm-packages.sh b/.circleci/make-rpm-packages.sh
index 5f7d0af1a..56acdad05 100755
--- a/.circleci/make-rpm-packages.sh
+++ b/.circleci/make-rpm-packages.sh
@@ -18,7 +18,7 @@ yum install -y epel-release
 if [ "$PARAM_DIST" = centos ]; then
   if [ "$PARAM_RELEASE" = 8 ]; then
       dnf install -y 'dnf-command(config-manager)'
-      yum config-manager --set-enabled PowerTools
+      yum config-manager --set-enabled powertools
   fi
 fi