Changes in squid-5.4 (07 Feb 2022):
- Bug 5190: Preserve configured order of intermediate CA certificate chain
- Bug 5188: Fix reconfiguration leaking tls-cert=... memory
- Bug 5187: Properly track (and mark) truncated store entries
- Bug 5134: assertion failed: Transients.cc:221: "old == e"
- Bug 5132: Close the tunnel if to-server conn closes after client
- langpack: Fix typo in Russian texts
- copyright years and CONTRIBUTORS update