Add rust to prepare-pipelines and create-package-workitem yaml (Azure#2074)

Co-authored-by: Patrick Hallisey <[email protected]>

Author: azure-sdk

eng/common/pipelines/templates/jobs/prepare-pipelines.yml

@@ -32,6 +32,7 @@ jobs:
     AzureSDK_Maven_Release_Pipeline_Secrets: 1
     AzureSDK_Nuget_Release_Pipeline_Secrets: 13
     AzureSDK_CocoaPods_Release_Pipeline_Secrets: 98
+    AzureSDK_CratesIo_Release_Pipeline_Secrets: 150
     NPM_Registry_Authentication: 24
     Release_Secrets_for_GitHub: 58
     Secrets_for_Resource_Provisioner: 64
@@ -103,6 +104,11 @@ jobs:
             $internalVariableGroups = '$(Release_Secrets_for_GitHub) $(APIReview_AutoCreate_Configurations)'
             $testVariableGroups = '$(Secrets_for_Resource_Provisioner)'
           }
+          "rust" {
+            $generatePublicCIPipeline = 'false'
+            $internalVariableGroups = '$(AzureSDK_CratesIo_Release_Pipeline_Secrets) $(Release_Secrets_for_GitHub) $(APIReview_AutoCreate_Configurations)'
+            $testVariableGroups = '$(Secrets_for_Resource_Provisioner)'
+          }
           "net" {
             $internalVariableGroups = '$(AzureSDK_Nuget_Release_Pipeline_Secrets) $(Release_Secrets_for_GitHub) $(APIReview_AutoCreate_Configurations)'
             $testVariableGroups = '$(Secrets_for_Resource_Provisioner)'