Fix typo in GH Issue template (GH-91759)

Typo in the word enhancement.

Author: Mariatta

.github/ISSUE_TEMPLATE/feature.md

@@ -10,7 +10,7 @@ labels: "type-feature"
 
 **Pitch**
 
-(Explain why this feature or enhacement should be implemented and how it would be used.
+(Explain why this feature or enhancement should be implemented and how it would be used.
  Add examples, if applicable.)
 
 **Previous discussion**
@@ -25,4 +25,4 @@ labels: "type-feature"
 
 <!--
 You can freely edit this text. Remove any lines you believe are unnecessary.
--->
+-->