gopls/go.mod: update to go1.24

No code changes yet.

Change-Id: Ibdf2dfab2bf282aea4f1bb7d0787fb60d81ebbdb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/651395
Reviewed-by: Jonathan Amsterdam <jba@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Alan Donovan <adonovan@google.com>

Author: adonovan

gopls/go.mod

@@ -1,8 +1,6 @@
 module golang.org/x/tools/gopls
 
-// go 1.23.1 fixes some bugs in go/types Alias support (golang/go#68894, golang/go#68905).
-// go 1.23.4 fixes a miscompilation of range-over-func (golang/go#70035).
-go 1.23.4
+go 1.24.0
 
 require (
 	github.com/google/go-cmp v0.6.0