vendor: Mega update all dependencies

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4080

vendor/github.com/onsi/gomega/ghttp/protobuf/simple_message.proto

@@ -1,9 +0,0 @@
-syntax = "proto2";
-
-package protobuf;
-
-message SimpleMessage {
-    required string description = 1;
-    required int32 id = 2;
-    optional string metadata = 3;
-}

vendor/github.com/onsi/gomega/ghttp/test_server.go

@@ -198,11 +198,13 @@ func (s *Server) Addr() string {
 //Close() should be called at the end of each test.  It spins down and cleans up the test server.
 func (s *Server) Close() {
 	s.writeLock.Lock()
-	defer s.writeLock.Unlock()
-
 	server := s.HTTPTestServer
 	s.HTTPTestServer = nil
-	server.Close()
+	s.writeLock.Unlock()
+
+	if server != nil {
+		server.Close()
+	}
 }
 
 //ServeHTTP() makes Server an http.Handler
@@ -223,7 +225,7 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 
 		//If the handler panics GHTTP will silently succeed.  This is bad™.
 		//To catch this case we need to fail the test if the handler has panicked.
-		//However, if the handler is panicking because Ginkgo's causing it to panic (i.e. an asswertion failed)
+		//However, if the handler is panicking because Ginkgo's causing it to panic (i.e. an assertion failed)
 		//then we shouldn't double-report the error as this will confuse people.
 
 		//So: step 1, if this is a Ginkgo panic - do nothing, Ginkgo's aware of the failure

vendor/github.com/onsi/gomega/ghttp/test_server_suite_test.go

@@ -1,13 +0,0 @@
-package ghttp_test
-
-import (
-	. "github.com/onsi/ginkgo"
-	. "github.com/onsi/gomega"
-
-	"testing"
-)
-
-func TestGHTTP(t *testing.T) {
-	RegisterFailHandler(Fail)
-	RunSpecs(t, "GHTTP Suite")
-}