Escape file name pattern to not depend on the /root content

Test Plan

diff origin/production/pergamon.softwareheritage.org current/pergamon.softwareheritage.org
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  Concat_fragment[profile::cron::gzip-puppet-reports] =>
   parameters =>
     content =>
      @@ -1,2 +1,2 @@
       # Cron snippet gzip-puppet-reports
      -23 2-22/4 * * * root find /var/lib/puppet/reports -type f -not -name *.gz -exec gzip {} \+
      +23 2-22/4 * * * root find /var/lib/puppet/reports -type f -not -name '*.gz' -exec gzip {} \+
*******************************************
  Profile::Cron::D[gzip-puppet-reports] =>
   parameters =>
     command =>
      - find /var/lib/puppet/reports -type f -not -name *.gz -exec gzip {} \+
      + find /var/lib/puppet/reports -type f -not -name '*.gz' -exec gzip {} \+
*******************************************
*** End octocatalog-diff on pergamon.softwareheritage.org

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Migrated from D6948 (view on Phabricator)