Update dktest to v0.4.6 for docker vuln fix #1125
ci.yaml
on: pull_request
  
      
        Matrix: test
      
    
    
    
      lint
    
          
              2m 11s
          
      
    
      Check coverage
    
      
    
      Release a new version
    
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10 errors
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                          lint
                        
                      
                       
                  issues found 
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                          lint: 
                        testing/docker.go#L67
                      
                       
                  undefined: container (typecheck) 
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                          lint: 
                        testing/docker.go#L18
                      
                       
                  "github.com/docker/docker/api/types" imported as dockertypes and not used 
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                          test (1.23.x)
                        
                      
                       
                  Process completed with exit code 2. 
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                          test (1.23.x): 
                        testing/docker.go#L67
                      
                       
                  undefined: container 
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                          test (1.23.x): 
                        testing/docker.go#L18
                      
                       
                  "github.com/docker/docker/api/types" imported as dockertypes and not used 
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                          test (1.24.x)
                        
                      
                       
                  The operation was canceled. 
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                          test (1.24.x): 
                        testing/docker.go#L67
                      
                       
                  undefined: container 
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| 
                   
                      
                          test (1.24.x): 
                        testing/docker.go#L18
                      
                       
                  "github.com/docker/docker/api/types" imported as dockertypes and not used 
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                          test (1.24.x)
                        
                      
                       
                  The strategy configuration was canceled because "test._1_23_x" failed 
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