update article metadata to add one of the original article authors as a contributor

Author: mrbullwinkle

articles/cognitive-services/openai/concepts/advanced-prompt-engineering.md

@@ -2,13 +2,13 @@
 title: Prompt Engineering Techniques with Azure OpenAI
 titleSuffix: Azure OpenAI Service
 description: Learn about the options for how to use prompt engineering with GPT-3, ChatGPT, and GPT-4 models
-author: suhridpalsule
+author: slundberg
 ms.author: mbullwin 
 ms.service: cognitive-services
 ms.topic: conceptual 
-ms.date: 04/07/2023
+ms.date: 04/20/2023
 manager: nitinme
-keywords: ChatGPT
+keywords: ChatGPT, GPT-4, prompt engineering
 zone_pivot_groups: openai-prompt
 ---