weechat: update to 3.3

pkgsrc changes:
- re-enable man page generation
- remove patch that upstream fixed in a different way

== Version 3.3 (2021-09-19)

New features::

  * core: change key kbd:[Alt+h] to kbd:[Alt+h], kbd:[Alt+c] (clear hotlist)
  * core: add options "hotlist_remove_buffer", "hotlist_restore_buffer" and "hotlist_restore_all" in command /input, add default keys kbd:[Alt+h], kbd:[Alt+m] (remove buffer), kbd:[Alt+h], kbd:[Alt+r] (restore hotlist in current buffer) and kbd:[Alt+h], kbd:[Alt+Shift+R] (restore hotlist in all buffers)
  * core: add option "certs" in command /debug
  * core: add options "-o", "-ol", "-i" and "-il" in command "/plugin list"
  * api: add split of string and shell arguments in evaluation of expressions with "split:number,seps,flags,xxx" and "split_shell:number,xxx"
  * api: add `${re:repl_index}` to get the index of replacement in function string_eval_expression (issue #1689)
  * api: add random integer number in evaluation of expressions with "random:min,max"
  * api: add function string_cut
  * api: add function file_copy (issue #1667)
  * api: remember insertion order in hashtables
  * api: add keys/values with tags in output of irc_message_parse_to_hashtable (issue #1654)
  * irc: add option "-parted" in command /allchan (issue #1685)
  * irc: allow signals "irc_raw_in" and "irc_in" to eat messages (issue #1657)
  * irc: implement IRCv3.2 SASL authentication, add command /auth, reconnect by default to the server in case of SASL authentication failure (issue #413)
  * irc: add support of capability "message-tags" and TAGMSG messages (issue #1654)
  * irc: enable all capabilities by default (if supported by server and WeeChat), change default value of option irc.server_default.capabilities to "*" (issue #320)
  * irc: add options irc.look.display_account_message and irc.look.display_extended_join (issue #320)
  * irc: add command /setname, add support of message and capability "setname" (issue #1653)
  * irc: always set realname in nicks even when extended-join capability is not enabled (issue #1653)
  * irc: add support of FAIL/WARN/NOTE messages (issue #1653)
  * irc: drop support of DH-BLOWFISH and DH-AES SASL mechanisms (issue #175)
  * typing: new plugin "typing": display users currently writing messages on IRC channel/private buffers

Bug fixes::

  * core: fix decoding of attributes in basic ANSI colors (issue #1678)
  * api: fix function string_match with joker in the string if multiple words matched in input string
  * irc: fix send of empty JOIN when connecting to a server with only parted channels (issue #1638)
  * irc: fix SASL authentication when AUTHENTICATE message is received with a server name (issue #1679)
  * irc: remove unneeded message about Diffie-Hellman shared secret exchange during SSL connection to server (issue #857)
  * irc: escape/unescape IRC message tags values (issue #1654)
  * irc: set notify level to "private" for received WALLOPS
  * script: fix move of installed script on another filesystem (issue #1667)

Documentation::

  * add Spanish FAQ (issue #1656)
  * add Serbian translations (issue #1655)

Tests::

  * core: switch to PHP 8.0 in CI
  * core: add build on macOS in CI

Build::

  * core: fix build on macOS (issue #1662)
  * lua: add detection of Lua 5.4
  * php: add support of PHP 8.0 and 8.1 (issue #1599, issue #1668)

(nia)