Make QuicToyServer support all IETF drafts

cl/299245199 changed how QuicToyServer handles versions, but that CL forgot to remove the break statement to allow supporting all IETF drafts. This CL fixes that oversight.

gfe-relnote: n/a, test-only
PiperOrigin-RevId: 299892903
Change-Id: Ib3fc9191f6bdd556575baee8dd7e611725285c09

quic/tools/quic_toy_server.cc

diff --git a/quic/tools/quic_toy_server.cc b/quic/tools/quic_toy_server.cc
index 20ee151..1f34849 100644
--- a/quic/tools/quic_toy_server.cc
+++ b/quic/tools/quic_toy_server.cc
@@ -74,7 +74,6 @@
       if (version.HasIetfQuicFrames() &&
           version.handshake_protocol == quic::PROTOCOL_TLS1_3) {
         supported_versions.push_back(version);
-        break;
       }
     }
   } else {