[release-branch.go1.18] go1.18.3

Change-Id: I89e0df420c0626add131103015cadd7b3f3dfd98
Reviewed-on: https://go-review.googlesource.com/c/go/+/409735
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Alex Rakoczy <alex@golang.org>
diff --git a/VERSION b/VERSION
index 9a1dea6..06b2984 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.18.2
\ No newline at end of file
+go1.18.3
\ No newline at end of file