[release-branch.go1.15] go1.15.12

Change-Id: I2d5e242a8324ae76e9d78b94cbc2825561b0c2de
Reviewed-on: https://go-review.googlesource.com/c/go/+/317650
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Trust: Carlos Amedee <carlos@golang.org>
Trust: Heschi Kreinick <heschi@google.com>
diff --git a/VERSION b/VERSION
index c25f990..1a6490f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.15.11
\ No newline at end of file
+go1.15.12
\ No newline at end of file