Update translation credits

Added Fabio Tomat for the Friulian localization. Thanks!

Uncomment Catalan credits, as it's quite far along and its
catkeys are in trunk. Thanks, Paco Rivière!

Fixes #15323

src/apps/aboutsystem/Credits.h

@@ -37,11 +37,9 @@ static const Translation kTranslations[] = {
 		"cssvb94\n"
 		"naydef\n"
 	},
-#if 0
 	{ "ca",
 		"Paco Rivière\n"
 	},
-#endif
 	{ "zh",
 		"Dong Guangyu\n"
 		"Pengfei Han (kurain)\n"
@@ -126,6 +124,9 @@ static const Translation kTranslations[] = {
 		"Starchaser\n"
 		"Wabouz\n"
 	},
+	{ "fur",
+		"Fabio Tomat\n"
+	},
 	{ "de",
 		"Atalanttore\n"
 		"Colin Günther\n"