minor: Changed wording for location of development in de-AT.json

Signed-off-by: Luna <dev@lklatzer.com>

Author: Luna-Klatzer

src/locales/de-AT.json

@@ -55,7 +55,7 @@
       }
     },
     "footer": {
-      "supported-by": "Entwickelt bei:",
+      "supported-by": "Entwicklung bei:",
       "list": {
         "releases": "Versionen",
         "github": "GitHub",