feat: add missing workflow i18n keys (#3309)

Co-authored-by: lbm21 <313338264@qq.com>

web/i18n/en-US/workflow.ts

@@ -46,6 +46,9 @@ const translation = {
       content: 'The variable is used in other nodes. Do you still want to remove it?',
     },
     insertVarTip: 'Press the \'/\' key to insert quickly',
+    processData: 'Process Data',
+    input: 'Input',
+    output: 'Output',
   },
   errorMsg: {
     fieldRequired: '{{field}} is required',