Fedora: Update required RPMs for Fedora 31

This includes the addition of the python3-virtualenv package required to
provide the virtualenv binary that is no longer present in the image.

Change-Id: Ie8e66d8b9f93063b97f88f41a626daddf235339b
diff --git a/files/rpms/general b/files/rpms/general
index e3d20b3..361416a 100644
--- a/files/rpms/general
+++ b/files/rpms/general
@@ -9,9 +9,9 @@
 graphviz # needed only for docs
 httpd
 httpd-devel
-iptables-services  # NOPRIME f30
+iptables-services  # NOPRIME f30,f31
 java-1.7.0-openjdk-headless  # NOPRIME rhel7
-java-1.8.0-openjdk-headless  # NOPRIME f30
+java-1.8.0-openjdk-headless  # NOPRIME f30,f31
 libffi-devel
 libjpeg-turbo-devel # Pillow 3.0.0
 libxml2-devel # lxml
@@ -27,7 +27,8 @@
 postgresql-devel  # psycopg2
 psmisc
 pyOpenSSL # version in pip uses too much memory
-python3-devel # f30
+python3-devel # dist:f30,f31
+python3-virtualenv # dist:f31
 python-devel
 redhat-rpm-config # missing dep for gcc hardening flags, see rhbz#1217376
 systemd-devel # for systemd-python