Update changelog

Author: maddie480

changelog.txt

@@ -3,4 +3,7 @@ and only contains the latest changes.
 Its purpose is to be shown in Olympus when updating.
 
 #changelog#
-∙ Added a GameBanana category filter to Manage Installed Mods screen
+∙ Added a GameBanana category filter to Manage Installed Mods
+∙ Added tooltips on highlighted mods in Manage Installed Mods
+∙ Added French language option
+∙ Detect and warn the user if suppress-output is missing (macOS and Linux only)