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/modules/power/singularity/act.dm

@@ -147,3 +147,5 @@
 *******************/
 /atom/proc/singuloCanEat()
 	return 1
+
+#undef I_SINGULO

code/modules/power/singularity/emitter.dm

@@ -1,4 +1,3 @@
-#define EMITTER_DAMAGE_POWER_TRANSFER 450 //used to transfer power to containment field generators
 #define EMITTER_LOOSE 0
 #define EMITTER_BOLTED 1
 #define EMITTER_WELDED 2
@@ -258,3 +257,8 @@
 		activate(null)
 	else
 		visible_message("[icon2html(src, viewers(get_turf(src)))] [src] whines, \"Access denied!\"")
+
+
+#undef EMITTER_LOOSE
+#undef EMITTER_BOLTED
+#undef EMITTER_WELDED

code/modules/power/singularity/singularity.dm

@@ -1,4 +1,4 @@
-//This file was auto-corrected by findeclaration.exe on 25.5.2012 20:42:33
+#define I_SINGULO "singulo"
 
 /obj/singularity/
 	name = "gravitational singularity"
@@ -510,3 +510,5 @@
 	var/turf/destination = (direction == UP) ? GetAbove(src) : GetBelow(src)
 	if(destination)
 		forceMove(destination)
+
+#undef I_SINGULO