Do not use old-style cast in balsa_frame_test.cc.

Compilation in Envoy fails with
"error: use of old-style cast [-Werror,-Wold-style-cast]".

Instead of cast, explicity specify template argument for Range<>.

PiperOrigin-RevId: 446003867

quiche/common/balsa/balsa_frame_test.cc

diff --git a/quiche/common/balsa/balsa_frame_test.cc b/quiche/common/balsa/balsa_frame_test.cc
index e99d6f6..86b1c9f 100644
--- a/quiche/common/balsa/balsa_frame_test.cc
+++ b/quiche/common/balsa/balsa_frame_test.cc
@@ -3425,7 +3425,7 @@
 }
 
 INSTANTIATE_TEST_SUITE_P(TestInvalidCharSet, HTTPBalsaFrameTestOneChar,
-                         Range((char)0, (char)32));
+                         Range<char>(0, 32));
 
 TEST_F(HTTPBalsaFrameTest, InvalidCharEndOfLine) {
   balsa_frame_.set_invalid_chars_level(BalsaFrame::InvalidCharsLevel::kWarning);