Update HEVC for Firefox

FireFox supports HEVC since version 120 and support windows, macOS and Linux as same range as Edge Chromium since version 137, so update docs.

Author: wbsdty331

files/en-us/web/media/guides/formats/video_codecs/index.md

@@ -1038,7 +1038,7 @@ HEVC is a proprietary format and is covered by a number of patents. Licensing is
               <th scope="row">HEVC / H.265 support</th>
               <td>107</td>
               <td>18</td>
-              <td>No</td>
+              <td>120</td>
               <td>94</td>
               <td>11</td>
             </tr>
@@ -1049,7 +1049,7 @@ HEVC is a proprietary format and is covered by a number of patents. Licensing is
           <a href="https://apps.microsoft.com/detail/9nmzlz57r3t7">HEVC video extensions from the Microsoft Store</a>
           is installed, and has the same support status as Chrome on other platforms. Edge (Legacy) only supports HEVC for devices with a hardware decoder.
         </p>
-        <p>Mozilla will not support HEVC while it is encumbered by patents.</p>
+        <p>Firefox support HEVC since version 120 (Windows only), Starting from version 137 support on macOS, Linux and Windows platform aligns with the range of Edge (Chromium).</p>
         <p>Opera and other Chromium based browsers have the same support status as Chrome.</p>
         <p>Safari supports HEVC for all devices on macOS High Sierra or later.</p>
       </td>