erp5: add mariadb `character-set-server` and `collation-server` options.

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

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.SlapRunner.ResilienceTest-Master

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failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

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failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

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failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

04:10:31

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:03:04

passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3

00:21:48

passed SlapOS.Eggs.UnitTest-Master.Python3

00:11:54

passed SlapOS.SlapRunner.ResilienceTest-Master

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passed SlapOS.SlapRunner.ResilienceTest-Master

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passed SlapOS.SlapRunner.ResilienceTest-Master

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failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

01:29:13

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

01:29:01

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

01:31:05

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

09:08:12