Major UT Overhaul (#16544)

* Removes old UT definition files (drone/travis)
* Adds concurrency definitions to the workflows
* Changes our workflows to be more in line with what /tg does
* Adds a workflow to build/commit TGUI
* Adds a workflow to build/commit changelogs

Add python version to dependencies.sh
Fix dme errors
Removes a bunch of not included files
Cache Opendream and add directory to check_grep.py

Co-authored-by: Werner <Arrow768@users.noreply.github.com>

code/datums/components/base_name/base_name.dm

@@ -1,6 +1,3 @@
-#define COMSIG_BASENAME_RENAME "base_name_rename"
-#define COMSIG_BASENAME_SETNAME "base_name_setname"
-
 /datum/component/base_name
 	var/base_name
 
@@ -13,4 +10,4 @@
 	base_name = name
 
 /datum/component/base_name/proc/change_base_name(var/name, list/arguments)
-	arguments[1] = base_name
+	arguments[1] = base_name