SUSE-SU-2020:2471-1 Security update for squid

This update for squid fixes the following issues: - CVE-2020-24606: Fix livelocking in peerDigestHandleReply bsc1175671. - CVE-2020-15811: Improve Transfer-Encoding handling bsc1175665. - CVE-2020-15810: Enforce token characters for field-name bsc1175664...