Backport - Add new browser: LibreWolf

https://librewolf.net/

(cherry picked from commit 2223a2b2d4e48e4d209ab508ede2f8b7dd7c6381)

src/ua-parser.js

@@ -346,7 +346,7 @@
             // Gecko based
             /(navigator|netscape\d?)\/([-\w\.]+)/i                              // Netscape
             ], [[NAME, 'Netscape'], VERSION], [
-            /(wolvic)\/([\w\.]+)/i                                              // Wolvic
+            /(wolvic|librewolf)\/([\w\.]+)/i                                    // Wolvic/LibreWolf
             ], [NAME, VERSION], [
             /mobile vr; rv:([\w\.]+)\).+firefox/i                               // Firefox Reality
             ], [VERSION, [NAME, FIREFOX+' Reality']], [

test/browser-test.json

@@ -1048,6 +1048,26 @@
             "major"   : "9"
         }
     },
+    {
+        "desc"    : "LibreWolf",
+        "ua"      : "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 LibreWolf/91.0",
+        "expect"  :
+        {
+            "name"    : "LibreWolf",
+            "version" : "91.0",
+            "major"   : "91"
+        }
+    },
+    {
+        "desc"    : "LibreWolf",
+        "ua"      : "Mozilla/5.0 (X11; Linux x86_64; rv:97.0) Gecko/20100101 Firefox/97.0 LibreWolf/97.0.1",
+        "expect"  :
+        {
+            "name"    : "LibreWolf",
+            "version" : "97.0.1",
+            "major"   : "97"
+        }
+    },
     {
         "desc"    : "LINE on Android",
         "ua"      : "Mozilla/5.0 (Linux; Android 5.0; ASUS_Z00AD Build/LRX21V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.81 Mobile Safari/537.36 Line/6.5.1/IAB",