Update packages.json & build-matrix.html

docs/build-matrix.html

@@ -4099,7 +4099,7 @@ feel free to submit a pull request.
 
 <tr>
  <th class="row" title=""> sdl2   </th>
- <td>2.0.9 </td>
+ <td>2.0.10 </td>
       <td class="supported">&#x2713;</td>
       <td class="supported">&#x2713;</td>
       <td class="supported">&#x2713;</td>

docs/packages.json

@@ -405,7 +405,7 @@
     "rucksack": {"version": "3.1.0", "website": "https://github.com/andrewrk/rucksack", "description": ""},
     "scons-local": {"version": "3.0.1", "website": "https://scons.org/", "description": "Standalone SCons"},
     "sdl": {"version": "1.2.15", "website": "https://www.libsdl.org/", "description": "SDL"},
-    "sdl2": {"version": "2.0.9", "website": "https://www.libsdl.org/", "description": "SDL2"},
+    "sdl2": {"version": "2.0.10", "website": "https://www.libsdl.org/", "description": "SDL2"},
     "sdl2_gfx": {"version": "1.0.4", "website": "https://www.ferzkopp.net/joomla/content/view/19/14/", "description": "SDL2_gfx"},
     "sdl2_image": {"version": "2.0.5", "website": "https://www.libsdl.org/", "description": "SDL2_image"},
     "sdl2_mixer": {"version": "2.0.4", "website": "https://www.libsdl.org/", "description": "SDL2_mixer"},