no-issue: Add Dong-hee Na as autoconf codeowner (gh-101281)

Author: corona10

.github/CODEOWNERS

@@ -8,7 +8,7 @@
 .github/**                    @ezio-melotti
 
 # Build system
-configure*                    @erlend-aasland
+configure*                    @erlend-aasland @corona10
 
 # asyncio
 **/*asyncio*                  @1st1 @asvetlov @gvanrossum @kumaraditya303