Update tooltip name

manifest.json

@@ -36,9 +36,9 @@
   "action": {
     "default_popup": "src/popup.html",
     "default_icon": "src/icon/48.png",
-    "default_title": "FediFollow settings"
+    "default_title": "FediAct settings"
   },
   "icons": {
     "48": "src/icon/48.png"
   }
-}
+}