Point submodules at canonical Gitea repositories

.gitmodules

@@ -1,9 +1,9 @@
 [submodule "libs/Utilities-OG"]
 	path = libs/Utilities-OG
-	url = https://github.com/true-og/Utilities-OG
+	url = https://git.trueog.net/trueog/Utilities-OG
 [submodule "libs/MyWorlds"]
 	path = libs/MyWorlds
-	url = https://github.com/true-og/MyWorlds
+	url = https://git.trueog.net/trueog/MyWorlds
 [submodule "libs/Scoreboard-OG"]
 	path = libs/Scoreboard-OG
-	url = https://github.com/true-og/Scoreboard-OG
+	url = https://git.trueog.net/trueog/Scoreboard-OG