vendor: update golang.org/x/crypto 69ecbb4d6d5dab05e49161c6e77ea40a030884e1 (CVE-2020-7919)

Includes golang/crypto@69ecbb4
(forward-port of golang/crypto@8b5121b),
which fixes CVE-2020-7919:

- Panic in crypto/x509 certificate parsing and golang.org/x/crypto/cryptobyte
  On 32-bit architectures, a malformed input to crypto/x509 or the ASN.1 parsing
  functions of golang.org/x/crypto/cryptobyte can lead to a panic.
  The malformed certificate can be delivered via a crypto/tls connection to a
  client, or to a server that accepts client certificates. net/http clients can
  be made to crash by an HTTPS server, while net/http servers that accept client
  certificates will recover the panic and are unaffected.
  Thanks to Project Wycheproof for providing the test cases that led to the
  discovery of this issue. The issue is CVE-2020-7919 and Go issue golang.org/issue/36837.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 27d9aa2d9f78b86644cb977bb26c63dcd0ae7eb7)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 3179a3b1e532fd0110637749f67c8a71c2c012ae
Component: cli

Author: thaJeztah

components/cli/vendor.conf

@@ -79,7 +79,7 @@ github.com/tonistiigi/units                         6950e57a87eaf136bbe44ef2ec8e
 github.com/xeipuuv/gojsonpointer                    4e3ac2762d5f479393488629ee9370b50873b3a6
 github.com/xeipuuv/gojsonreference                  bd5ef7bd5415a7ac448318e64f11a24cd21e594b
 github.com/xeipuuv/gojsonschema                     93e72a773fade158921402d6a24c819b48aba29d
-golang.org/x/crypto                                 88737f569e3a9c7ab309cdc09a07fe7fc87233c3
+golang.org/x/crypto                                 69ecbb4d6d5dab05e49161c6e77ea40a030884e1
 golang.org/x/net                                    eb5bcb51f2a31c7d5141d810b70815c05d9c9146
 golang.org/x/oauth2                                 ef147856a6ddbb60760db74283d2424e98c87bff
 golang.org/x/sync                                   e225da77a7e68af35c70ccbf71af2b83e6acac3c