design/76331: add Alex Putman to thanks list

For golang/go#76331

Change-Id: I879b7e67c976322fdb070a7abcba9e9aded97eb7
Reviewed-on: https://go-review.googlesource.com/c/proposal/+/850065
Auto-Submit: Hongxiang Jiang <hxjiang@golang.org>
Commit-Queue: Hongxiang Jiang <hxjiang@golang.org>
Reviewed-by: Alex Putman <aputman@golang.org>

design/76331-lsp-interactive-refactoring.md

diff --git a/design/76331-lsp-interactive-refactoring.md b/design/76331-lsp-interactive-refactoring.md
index ae70bb8..9e8600c 100644
--- a/design/76331-lsp-interactive-refactoring.md
+++ b/design/76331-lsp-interactive-refactoring.md
@@ -2,7 +2,7 @@
 
 Author(s): Hongxiang Jiang (hxjiang@golang.org)
 
-Thanks to: Alan Donovan, Brian Wilkerson, Danny Tuppeny, Hana Kim, Madeline Kalil, Peter Weinberger, Robert Findley.
+Thanks to: Alan Donovan, Alex Putman, Brian Wilkerson, Danny Tuppeny, Hana Kim, Madeline Kalil, Peter Weinberger, Robert Findley.
 
 Last updated: 16 July 2026