schnapps: Update to version 2.11.0

• update-factory command to update factory snapshot
• better handling of invalid arguments

requested review from @mvasilek

assigned to @mvasilek

mentioned in issue turris/reforis/reforis#410

changed milestone to %Turris OS 6.3.2

changed target branch from develop to master

added 4 commits

• 9ffa1d69...bd42bbd5 - 3 commits from branch master
• 00c59f15 - schnapps: Update to version 2.11.0

Compare with previous version

changed milestone to %Turris OS 6.3.3

added 2 commits

• 27d803fb - 1 commit from branch master
• 6c5c6781 - schnapps: Update to version 2.11.0

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merged