weechat: Update to 3.0

Version 3.0 (2020-11-11)

  New features
              * api: add optional list of colors in infos "nick_color" and
                "nick_color_name" (issue #1565)

              * api: add argument "bytes" in function string_dyn_concat

              * api: add function string_color_code_size (issue #1547)

              * exec: add option "-oerr" to send stderr to buffer (now
                disabled by default) (issue #1566)

              * fset: add option fset.look.auto_refresh (issue #1553)

              * irc: add pointer to irc_nick in focus of bar item
                "buffer_nicklist" (issue #1535, issue #1538)

              * irc: allow to send text on buffers with commands /allchan,
                /allpv and /allserv

              * irc: evaluate command executed by commands /allchan, /allpv
                and /allserv (issue #1536)

              * script: add option script.scripts.download_enabled (issue
                #1548)

              * trigger: add variable "tg_argc" in data set by command
                trigger (issue #1576)

              * trigger: add variable "tg_trigger_name" in data set by all
                triggers (issue #1567, issue #1568)

  Bug fixes
              * core: set "notify_level" to 3 if there is a highlight in the
                line (issue #1529)

              * core: do not add line with highlight and tag "notify_none" to
                hotlist (issue #1529)

              * irc: remove SASL timeout message displayed by error after
                successful SASL authentication (issue #1515)

              * irc: send all channels in a single JOIN command when
                reconnecting to the server (issue #1551)

              * script: do not automatically download list of scripts on
                startup if the file is too old (issue #1548)

              * spell: properly skip WeeChat and IRC color codes when
                checking words in input (issue #1547)

              * trigger: fix recursive calls to triggers using regex (issue
                #1546)

              * trigger: add ${tg_tags} !!- ,notify_none, in conditions of
                default trigger "beep" (issue #1529)

  Tests
              * core: add tests on GUI line functions

  Build
              * core: disable debug by default in autotools build

              * tests: fix compilation with CppUTest ≥ 4.0

(nia)