Update feature-api-template.md

Fixes "about" text incorrectly mentioning bugs.

Author: falquaddoomi

.github/ISSUE_TEMPLATE/feature-api-template.md

@@ -1,6 +1,6 @@
 ---
 name: API Feature Report
-about: You want to report a bug in the API.
+about: You want to request a feature for the API.
 title: "[TITLE]"
 labels: Feature, API
 ---