Add data collection permissions as per https://extensionworkshop.com/documentation/develop/firefox-builtin-data-consent/

manifest.json

@@ -3,7 +3,7 @@
     "manifest_version": 2,
     "name": "Rentgen",
     "short_name": "Rentgen",
-    "version": "0.2.1",
+    "version": "0.2.2",
     "author": "Kuba Orlik, Arkadiusz Wieczorek (Internet. Time to act! Foundation)",
     "homepage_url": "https://git.internet-czas-dzialac.pl/icd/rentgen",
     "background": {
@@ -39,7 +39,10 @@
     "browser_specific_settings": {
         "gecko": {
             "id": "rentgen@internet-czas-dzialac.pl",
-            "strict_min_version": "91.1.0"
+            "strict_min_version": "91.1.0",
+            "data_collection_permissions": {
+                "required": ["none"]
+            }
         }
     }
 }

package.json

@@ -1,6 +1,6 @@
 {
     "name": "rentgen",
-    "version": "0.2.1",
+    "version": "0.2.2",
     "description": "Rentgen is an add-on prepared for both Firefox-based and Chromium-based browsers. This extension will automatically visualize all the data that a given website sends to third parties.",
     "main": "esbuild.config.js",
     "type": "module",