Update vendor directory

vendor/golang.org/x/oauth2/google/sdk.go

@@ -160,9 +160,13 @@ var sdkConfigPath = func() (string, error) {
 }
 
 func guessUnixHomeDir() string {
-	usr, err := user.Current()
-	if err == nil {
-		return usr.HomeDir
+	// Prefer $HOME over user.Current due to glibc bug: golang.org/issue/13470
+	if v := os.Getenv("HOME"); v != "" {
+		return v
 	}
-	return os.Getenv("HOME")
+	// Else, fall back to user.Current:
+	if u, err := user.Current(); err == nil {
+		return u.HomeDir
+	}
+	return ""
 }

vendor/golang.org/x/oauth2/internal/token.go

@@ -117,6 +117,8 @@ var brokenAuthHeaderProviders = []string{
 	"https://www.strava.com/oauth/",
 	"https://www.wunderlist.com/oauth/",
 	"https://api.patreon.com/",
+	"https://sandbox.codeswholesale.com/oauth/token",
+	"https://api.codeswholesale.com/oauth/token",
 }
 
 func RegisterBrokenAuthHeaderProvider(tokenURL string) {

vendor/golang.org/x/oauth2/jwt/jwt.go

@@ -105,7 +105,9 @@ func (js jwtSource) Token() (*oauth2.Token, error) {
 	if t := js.conf.Expires; t > 0 {
 		claimSet.Exp = time.Now().Add(t).Unix()
 	}
-	payload, err := jws.Encode(defaultHeader, claimSet, pk)
+	h := *defaultHeader
+	h.KeyID = js.conf.PrivateKeyID
+	payload, err := jws.Encode(&h, claimSet, pk)
 	if err != nil {
 		return nil, err
 	}