Do not validate use_gpu when none is being sent in the request

Like a genius I had made it impossible to update an existing worker run with a worker version that requires a GPU with use_gpu = data.get('use_gpu', False) unless you did send "use_gpu": True in the request :)

changed milestone to %Arkindex 1.6.2

requested review from @erouchet

assigned to @mlbonhomme

added 1 commit

• 475da25f - Do not validate use_gpu when none is being sent in the request

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added 3 commits

• 475da25f...20ef84dc - 2 commits from branch master
• f318d2b4 - Do not validate use_gpu when none is being sent in the request

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resolved all threads

added 2 commits

• 475da25f - Do not validate use_gpu when none is being sent in the request
• 272b4b22 - be more smarter

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added 5 commits

• 272b4b22...ca116dc2 - 3 commits from branch master
• edb3c7dd - Do not validate use_gpu when none is being sent in the request
• 69286dc7 - be more smarter

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merged