Update golang.org/x/sync commit hash to 036812b

This MR contains the following updates:

Package	Type	Update	Change
golang.org/x/sync	require	digest	09787c9 -> 036812b

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go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/sethvargo/go-password v0.2.0
 	golang.org/x/crypto v0.0.0-20210218145215-b8e89b74b9df
 	golang.org/x/net v0.0.0-20210119194325-5f4716e94777
-	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78 // indirect
 	gopkg.in/yaml.v2 v2.4.0
 )