[release-branch.go1.26] go1.26.4

Change-Id: I1c45ebded2d678b73081c6716a0fdd15a0b1824e
Reviewed-on: https://go-review.googlesource.com/c/go/+/786201
TryBot-Bypass: Gopher Robot <gobot@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Mark Freeman <markfreeman@google.com>
Reviewed-by: David Chase <drchase@google.com>
diff --git a/VERSION b/VERSION
index 5378f3c..5da5a8e 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-go1.26.3
-time 2026-05-04T20:36:18Z
+go1.26.4
+time 2026-05-29T15:26:39Z