vendor: update all dependencies to latest versions

vendor/golang.org/x/net/http2/server_test.go

@@ -68,6 +68,7 @@ type serverTester struct {
 
 func init() {
 	testHookOnPanicMu = new(sync.Mutex)
+	goAwayTimeout = 25 * time.Millisecond
 }
 
 func resetHooks() {
@@ -1717,7 +1718,6 @@ func TestServer_Response_NoData_Header_FooBar(t *testing.T) {
 		wanth := [][2]string{
 			{":status", "200"},
 			{"foo-bar", "some-value"},
-			{"content-type", "text/plain; charset=utf-8"},
 			{"content-length", "0"},
 		}
 		if !reflect.DeepEqual(goth, wanth) {
@@ -2952,7 +2952,6 @@ func TestServerDoesntWriteInvalidHeaders(t *testing.T) {
 		wanth := [][2]string{
 			{":status", "200"},
 			{"ok1", "x"},
-			{"content-type", "text/plain; charset=utf-8"},
 			{"content-length", "0"},
 		}
 		if !reflect.DeepEqual(goth, wanth) {
@@ -3188,12 +3187,18 @@ func TestConfigureServer(t *testing.T) {
 				CipherSuites: []uint16{tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
 			},
 		},
+		{
+			name: "just the alternative required cipher suite",
+			tlsConfig: &tls.Config{
+				CipherSuites: []uint16{tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
+			},
+		},
 		{
 			name: "missing required cipher suite",
 			tlsConfig: &tls.Config{
 				CipherSuites: []uint16{tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384},
 			},
-			wantErr: "is missing HTTP/2-required TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
+			wantErr: "is missing an HTTP/2-required AES_128_GCM_SHA256 cipher.",
 		},
 		{
 			name: "required after bad",
@@ -3259,7 +3264,6 @@ func TestServerNoAutoContentLengthOnHead(t *testing.T) {
 	headers := st.decodeHeader(h.HeaderBlockFragment())
 	want := [][2]string{
 		{":status", "200"},
-		{"content-type", "text/plain; charset=utf-8"},
 	}
 	if !reflect.DeepEqual(headers, want) {
 		t.Errorf("Headers mismatch.\n got: %q\nwant: %q\n", headers, want)