fixup! component/proxysql: add a missing checksum to download patch

Probably I made a mistake when getting adding this md5sum in
70070a61 . This is not a case where the
checksum changed, we did not have checksum before anyway
11 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

08:58:26

passed ERP5.StandaloneDeploymentScriptTest-Debian.Stretch

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passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

09:43:15

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Stretch

00:50:16

passed SlapOS.Eggs.UnitTest-Master.Python2

00:12:29

passed SlapOS.Eggs.UnitTest-Master.Python3

00:13:30

passed SlapOS.KVM.ResilienceTest-Master

00:20:27

passed SlapOS.SlapRunner.ResilienceTest-Master

00:25:24

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

02:39:20

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:31:54

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Stretch

08:35:59