[release-branch.go1.12-security] go1.12.11

Change-Id: I8421754104cb795270dbcb6f554ed3a78a719483
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/575988
Reviewed-by: Filippo Valsorda <valsorda@google.com>

VERSION

diff --git a/VERSION b/VERSION
index 40bdee3..524722c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-go1.12.10
\ No newline at end of file
+go1.12.11
\ No newline at end of file