[acronyms] Update manifest.ini

acronyms_expander/manifest.ini

 [info]
 name: Acronyms Expander
 short_name: acronyms_expander
-version: 1.1.4
+version: 1.1.5
 description: Replaces acronyms (or other strings) with given expansions/substitutes.
 authors: Mateusz Biliński <mateusz@bilinski.it>
 homepage: https://dev.gajim.org/gajim/gajim-plugins/wikis/AcronymsExpanderPlugin