FreeRADIUS/freeradius-server release_3_2

Configuration changes

The linelog module now has a header configuration item, which places a header in any new file it creates.
The ldap module now supports setting cipher_list. See mods-available/ldap.
Add connect_timeout for outgoing TLS sockets. Helps with #3501.
Add config section for xlats in rlm_rest and an option to control REST body data encoding. Patches by Nick Porter.
Allow Operator-Name and Called-Station-Id in attr_filter when proxying. Helps with less work in eduroam configurations.
Ensure that the AcctUpdateTime field in SQL is always updated. This is so that we can track when the last packet arrived.
Update the default configuration to reply to NAS when accounting proxying fails, but we still write to the detail file.

The configure process now gives a much clearer report when it's finished. Patches by Matthew Newton.
Fallback to uname -n on missing hostname. Fixes #4771
Export thread details in radmin stats threads. Fixes #4770
Improve queries for processing radacct into periodic usage data. Fix from Nick Porter.
Update dictionary.juniper
Add dictionary.calix
Fix dictionary.rfc6519 DS-Lite-Tunnel-Name to be octets
Update documentation for robust-proxy-accounting, and be more aggressive about sending packets.
Add per-module README.md files in the source.
Add default Visual Studio configuration for developers.
Postgres can now automatically use alternate queries for errors other than duplicate keys.
%{listen:TLS-PSK-Identity} is now set when using PSK and psk_query. This helps the server track the identity of the client which is connecting.
Include thread stats in Status-Server attributes. Fixes #4870.
Mark rlm_unbound stable and add to packages. Patches by Nick Porter.
Remove broken/unsupported Dockerfiles for centos8 and debian9.
Ensure Docker containers have stable uid/gid. Patches from Terry Burton.

Preliminary support for non-blocking TLS sockets. Helps with #3501.
Fix support for partial certificate chains after adding reload support. Fixes #4753
Fix handling of debug_condition.
Clean up home server states, and re-sync with the dictionaries.
Correct certificate order when creating TLS-* attributes. Fixes #4785
Update use of isalpha() etc. so broken configurations have less impact on the server.
Outgoing TLS sockets now set SNI correctly from the "hostname" configuration item.
Support Apple Homebrew on the M1. Fixes #4754
Better error messages when %{listen:TLS-...} is used.
Getting statistics via Status-Server can now be done within a virtual server. Fixes #4868
Make TTLS+MS-CHAP work with TLS 1.3. Fixes #4878.
Fix md5 xlat memory leak when using OpenSSL 3. Fix by Terry Burton.