fix typos (add missing $ in {...}).

9 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:10:46

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

01:36:00

passed SlapOS.Eggs.UnitTest-Master.Python2

01:10:18

passed SlapOS.Eggs.UnitTest-Master.Python3

01:26:56

passed SlapOS.Eggs.UnitTest-Master.Python3Next

01:15:05

failed SlapOS.SoftwareReleases.IntegrationTest-Master

06:52:13

passed SlapOS.Theia.ResilienceTest-Master-ERP5

07:03:20

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:41:51

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

08:12:04