Merge pull request #2883 from AgSpades/fix-pr-template

Fix broken pull request template links (#2867)

Author: basfroman

.github/pull_request_template.md

@@ -5,6 +5,6 @@ please switch to **Preview** for links to render properly.
 
 Please choose the right template for your pull request:
 
-- 🐛 Are you fixing a bug? [Bug fix](?template=bug_fix.md)
-- 📈 Are you improving performance? [Performance improvement](?template=performance_improvement.md)
-- 💻 Are you changing functionality? [Feature change](?template=feature_change.md)
+- 🐛 Are you fixing a bug? [Bug fix](?expand=1&template=bug_fix.md)
+- 📈 Are you improving performance? [Performance improvement](?expand=1&template=performance_improvement.md)
+- 💻 Are you changing functionality? [Feature change](?expand=1&template=feature_change.md)