Vault 1.7.2 Pre-staging (#11651)

* sdk update and require version 1.15 of go

* upgrade sdk version

* go mod vendor on sdk

README.md

@@ -70,7 +70,7 @@ Developing Vault
 
 If you wish to work on Vault itself or any of its built-in systems, you'll
 first need [Go](https://www.golang.org) installed on your machine. Go version
-1.15.3+ is *required*.
+1.15.11+ is *required*.
 
 For local dev first make sure Go is properly installed, including setting up a
 [GOPATH](https://golang.org/doc/code.html#GOPATH). Ensure that `$GOPATH/bin` is in

go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/vault
 
-go 1.13
+go 1.15
 
 replace github.com/hashicorp/vault/api => ./api
 
@@ -103,7 +103,7 @@ require (
 	github.com/hashicorp/vault-plugin-secrets-openldap v0.4.0
 	github.com/hashicorp/vault-plugin-secrets-terraform v0.1.0
 	github.com/hashicorp/vault/api v1.0.5-0.20210210214158-405eced08457
-	github.com/hashicorp/vault/sdk v0.2.1-0.20210419223509-b296e151b5b3
+	github.com/hashicorp/vault/sdk v0.2.1-0.20210518235234-a671890555c7
 	github.com/influxdata/influxdb v0.0.0-20190411212539-d24b7ba8c4c4
 	github.com/jcmturner/gokrb5/v8 v8.0.0
 	github.com/jefferai/isbadcipher v0.0.0-20190226160619-51d2077c035f

sdk/version/version_base.go

@@ -8,7 +8,7 @@ var (
 	// Whether cgo is enabled or not; set at build time
 	CgoEnabled bool
 
-	Version           = "1.7.1"
+	Version           = "1.7.2"
 	VersionPrerelease = ""
 	VersionMetadata   = ""
 )