doc: Update project news for iperf-3.8.1.

docs/conf.py

@@ -52,10 +52,10 @@ copyright = u'2014-2020, ESnet'
 # built documents.
 #
 # The short X.Y version.
-version = '3.8'
+version = '3.8.1'
 # The full version, including alpha/beta/rc tags.
 
-release = '3.8'
+release = '3.8.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

docs/news.rst

@@ -1,6 +1,15 @@
 iperf3 Project News
 ===================
 
+2020-06-10:  iperf-3.8.1 released
+---------------------------------
+
+| URL:  https://downloads.es.net/pub/iperf/iperf-3.8.1.tar.gz
+| SHA256:  ``e5b080f3273a8a715a4100f13826ac2ca31cc7b1315925631b2ecf64957ded96 iperf-3.8.1.tar.gz``
+
+iperf 3.8.1 fixes a regression with ``make install`` in iperf 3.8.  It
+is otherwise identical to iperf 3.8.
+
 2020-06-08:  iperf-3.8 released
 -------------------------------