MINOR: mux-quic: adjust trace level for MAX_DATA/MAX_STREAM_DATA recv

Change the trace from developer to data level whenever the flow control
limitation is updated following a MAX_DATA or MAX_STREAM_DATA reception.

This should be backported up to 2.7.
diff --git a/src/mux_quic.c b/src/mux_quic.c
index 96b71da..0d28c44 100644
--- a/src/mux_quic.c
+++ b/src/mux_quic.c
@@ -1117,7 +1117,7 @@
 	TRACE_PROTO("receiving MAX_DATA", QMUX_EV_QCC_RECV, qcc->conn);
 	if (qcc->rfctl.md < max) {
 		qcc->rfctl.md = max;
-		TRACE_DEVEL("increase remote max-data", QMUX_EV_QCC_RECV, qcc->conn);
+		TRACE_DATA("increase remote max-data", QMUX_EV_QCC_RECV, qcc->conn);
 
 		if (qcc->flags & QC_CF_BLK_MFCTL) {
 			qcc->flags &= ~QC_CF_BLK_MFCTL;
@@ -1158,7 +1158,7 @@
 		TRACE_PROTO("receiving MAX_STREAM_DATA", QMUX_EV_QCC_RECV|QMUX_EV_QCS_RECV, qcc->conn, qcs);
 		if (max > qcs->tx.msd) {
 			qcs->tx.msd = max;
-			TRACE_DEVEL("increase remote max-stream-data", QMUX_EV_QCC_RECV|QMUX_EV_QCS_RECV, qcc->conn, qcs);
+			TRACE_DATA("increase remote max-stream-data", QMUX_EV_QCC_RECV|QMUX_EV_QCS_RECV, qcc->conn, qcs);
 
 			if (qcs->flags & QC_SF_BLK_SFCTL) {
 				qcs->flags &= ~QC_SF_BLK_SFCTL;