updated https (#27051)

Author: dawood6

docs/contributing/community.md

@@ -54,7 +54,7 @@ For the latest news about Gatsby,
 Many members of the community use Stack Overflow to ask questions. Read through
 the [existing questions](https://stackoverflow.com/questions/tagged/gatsby)
 tagged with `gatsby` or
-[ask your own](http://stackoverflow.com/questions/ask?tags=gatsby)!
+[ask your own](https://stackoverflow.com/questions/ask?tags=gatsby)!
 
 ### Discord