Security updates for Friday

Security updates have been issued by Fedora (direnv, golang-github-mattn-colorable, matrix-synapse, pypy3.7, pypy3.8, and pypy3.9), Oracle (squid), SUSE (curl, openssl-1_1, pcre, python-ipython, resource-agents, and rsyslog), and Ubuntu (nss, php7.2, and vim).