update instructions (#225)

<!-- This is an auto-generated comment: release notes by openai -->
### Summary by OpenAI

### Release Notes

- Adds a new section to the PR template explaining how to ignore further
reviews from the bot.

### Poem

> 🎉 A new section added to the PR template,  
> 🤖 Ignore bot reviews with ease and grace.  
> 🚀 Code quality improved without debate,  
> 🙌 Let's merge this PR and celebrate!
<!-- end of auto-generated comment: release notes by openai -->

Author: harjotgill

dist/index.js

@@ -414,6 +414,9 @@ ${EXTRA_CONTENT_TAG}
 - The bot may make code suggestions, but please review them carefully before committing since the line number ranges may be misaligned. 
 - You can edit the comment made by the bot and manually tweak the suggestion if it is slightly off.
 
+### Ignoring further reviews
+- Type \`@openai: ignore\` anywhere in the PR description to ignore further reviews from the bot.
+
 ---
 
 ${