Merge pull request #2712 from searx/update_data_update_firefox_version.py

Update searx.data - update_firefox_version.py

searx/data/useragents.json

@@ -1,9 +1,8 @@
 {
     "versions": [
-        "86.0",
-        "85.0.2",
-        "85.0.1",
-        "85.0"
+        "87.0",
+        "86.0.1",
+        "86.0"
     ],
     "os": [
         "Windows NT 10.0; WOW64",