component/zodbtools: fix freezegun versions

1.0.0 was not python2 compatible, setuptools ignored this
12 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:10:33

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:22:09

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

10:23:55

failed SlapOS.Eggs.UnitTest-Master.Python2

00:24:48

failed SlapOS.Eggs.UnitTest-Master.Python3

00:19:18

failed SlapOS.SoftwareReleases.IntegrationTest-Master

09:25:39

passed SlapOS.Theia.ResilienceTest-Master-ERP5

08:57:07

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:36:56

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

11:38:41

failed SlapOS.Eggs.UnitTest-Master.Python2

00:14:23

failed SlapOS.Eggs.UnitTest-Master.Python3

00:23:35

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:29:42