Update llhttp CMock submodule pointer (#176)

* Use nodejs LTS Hydrogen llhttp version v6.1.1
* Update CMock to v2.5.3

Author: chinglee-iot

docs/doxygen/include/size_table.md

@@ -10,12 +10,12 @@
     <tr>
         <td>core_http_client.c</td>
         <td><center>3.3K</center></td>
-        <td><center>2.6K</center></td>
+        <td><center>2.7K</center></td>
     </tr>
     <tr>
         <td>api.c (llhttp)</td>
-        <td><center>2.6K</center></td>
-        <td><center>2.0K</center></td>
+        <td><center>2.8K</center></td>
+        <td><center>2.2K</center></td>
     </tr>
     <tr>
         <td>http.c (llhttp)</td>
@@ -24,12 +24,12 @@
     </tr>
     <tr>
         <td>llhttp.c (llhttp)</td>
-        <td><center>17.9K</center></td>
-        <td><center>15.9K</center></td>
+        <td><center>19.1K</center></td>
+        <td><center>17.1K</center></td>
     </tr>
     <tr>
         <td><b>Total estimates</b></td>
-        <td><b><center>24.1K</center></b></td>
-        <td><b><center>20.8K</center></b></td>
+        <td><b><center>25.5K</center></b></td>
+        <td><b><center>22.3K</center></b></td>
     </tr>
 </table>

manifest.yml

@@ -6,15 +6,15 @@ license: "MIT"
 
 dependencies:
   - name: "llhttp"
-    version: "release/v6.0.5"
+    version: "release/v6.1.1"
     license: "MIT"
     repository:
       type: "git"
       url: "https://github.com/nodejs/llhttp.git"
       path: source/dependency/3rdparty/llhttp
 
   - name: "CMock"
-    version: v2.5.2
+    version: "v2.5.3"
     license: "MIT"
     repository:
       type: "git"