Update go.mod and go.sum to latest version from networkservicemesh/sd…

…k@main

PR link: networkservicemesh/sdk#1072

Commit: 2e38282
Author: Ed Warnicke
Date: 2021-08-31 03:56:01 -0500
Message:
  - Introducing the begin chain element (#1072)
* Introducing the begin chain element

Please read pkg/networkservice/common/begin/doc.go
for extensive documentation.

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

* Update pkg/networkservice/common/begin/event_factory.go

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

Co-authored-by: Vladimir Popov <v.popov9@alumni.nsu.ru>
Signed-off-by: Ed Warnicke <hagbard@gmail.com>

* Update pkg/networkservice/common/begin/event_factory.go

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

Co-authored-by: Vladimir Popov <v.popov9@alumni.nsu.ru>

* Make metadata access functions private for refresh and timeout

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

* Simplify refresh/timeout cancel handling

In response to comment: networkservicemesh/sdk#1072 (comment)

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

* Simplification in response to networkservicemesh/sdk#1072 (comment)

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

* Change in response to comment networkservicemesh/sdk#1072 (comment)

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

* Update pkg/networkservice/common/begin/event_factory.go

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

Co-authored-by: Denis Tingaikin <49399980+denis-tingaikin@users.noreply.github.com>
Signed-off-by: Ed Warnicke <hagbard@gmail.com>

* Improve logging in response to networkservicemesh/sdk#1072 (comment)

Signed-off-by: Ed Warnicke <hagbard@gmail.com>

Co-authored-by: Vladimir Popov <v.popov9@alumni.nsu.ru>
Signed-off-by: NSMBot <nsmbot@networkservicmesh.io>

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/golang/protobuf v1.4.3
 	github.com/google/uuid v1.1.2
 	github.com/networkservicemesh/api v1.0.1-0.20210811070028-10403c0f20c8
-	github.com/networkservicemesh/sdk v0.5.1-0.20210827110808-c2178d55e7a9
+	github.com/networkservicemesh/sdk v0.5.1-0.20210831085601-2e38282f43bc
 	github.com/onsi/ginkgo v1.13.0 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.7.0

go.sum

@@ -250,8 +250,8 @@ github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OS
 github.com/nats-io/stan.go v0.6.0/go.mod h1:eIcD5bi3pqbHT/xIIvXMwvzXYElgouBvaVRftaE+eac=
 github.com/networkservicemesh/api v1.0.1-0.20210811070028-10403c0f20c8 h1:kr2/dA/ktBgnChorXBwjn7fdpRKB+eJI2xCPNCGt3ws=
 github.com/networkservicemesh/api v1.0.1-0.20210811070028-10403c0f20c8/go.mod h1:B6meq/SWjWR6bGXZdXPfbOeaBK+T1JayLdtEJQCsXKU=
-github.com/networkservicemesh/sdk v0.5.1-0.20210827110808-c2178d55e7a9 h1:97Y7eS6KdVrDgJhyiI7TmoIe70hpT0T+Fsh78kV6X38=
-github.com/networkservicemesh/sdk v0.5.1-0.20210827110808-c2178d55e7a9/go.mod h1:t4mwbFHDeOUbmrrFhkcpcyYd5CgkrzmaD7uu8LiLpKs=
+github.com/networkservicemesh/sdk v0.5.1-0.20210831085601-2e38282f43bc h1:MfwK031DQMKhu7WOoqGwGygZoUW0CZP1Vi3rCGJfjKM=
+github.com/networkservicemesh/sdk v0.5.1-0.20210831085601-2e38282f43bc/go.mod h1:t4mwbFHDeOUbmrrFhkcpcyYd5CgkrzmaD7uu8LiLpKs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=