upped version and added action badge

src/js/background/badge.js

@@ -1,4 +1,4 @@
-const MAJOR_VERSIONS = ["2.3.0", "2.4.0"];
+const MAJOR_VERSIONS = ["2.3.0", "2.4.0", "6.2.0"];
 const badge = {
   async init() {
     const currentWindow = await browser.windows.getCurrent();

src/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "Firefox Multi-Account Containers",
-  "version": "6.1.5",
+  "version": "6.2.0",
   "incognito": "not_allowed",
   "description": "Multi-Account Containers helps you keep all the parts of your online life contained in different tabs. Custom labels and color-coded tabs help keep different activities — like online shopping, travel planning, or checking work email — separate.",
   "icons": {