Use newer version of AzureFileCopy task (#35168)

Author: weshaggard

eng/pipelines/aggregate-reports.yml

@@ -28,7 +28,7 @@ stages:
             parameters:
               ScanPath: $(Build.SourcesDirectory)/sdk
 
-          - task: AzureFileCopy@4
+          - task: AzureFileCopy@6
             displayName: 'Upload Dependency Report'
             condition: and(succeededOrFailed(), eq(variables['System.TeamProject'], 'internal'))
             inputs:
@@ -40,7 +40,7 @@ stages:
               blobPrefix: dependencies
               AdditionalArgumentsForBlobCopy: '--exclude-pattern=*data.js*'
 
-          - task: AzureFileCopy@4
+          - task: AzureFileCopy@6
             displayName: 'Upload Dependency Graph'
             condition: and(succeededOrFailed(), eq(variables['System.TeamProject'], 'internal'))
             inputs: