iperf3: bump to 3.11

Update to latest upstream version

Signed-off-by: John Audia <graysky@archlinux.us>

net/iperf3/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=iperf
-PKG_VERSION:=3.10.1
+PKG_VERSION:=3.11
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://downloads.es.net/pub/iperf
-PKG_HASH:=03bc9760cc54a245191d46bfc8edaf8a4750f0e87abca6764486972044d6715a
+PKG_HASH:=de8cb409fad61a0574f4cb07eb19ce1159707403ac2dc01b5d175e91240b7e5f
 
 PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
 PKG_LICENSE:=BSD-3-Clause