Add LambdaTest badge to readme (#18299)

* Add LambdaTest badge to readme

* Fix heights of badges

README.md

@@ -194,7 +194,7 @@ Thanks to:
     <td>
       <img
         src="https://user-images.githubusercontent.com/498917/52569900-852b3080-2e12-11e9-9bd0-f1e256b13e53.png"
-        height="86"
+        height="56"
         alt="BrowserStack"
       />
       <p>
@@ -208,7 +208,7 @@ Thanks to:
     <td>
       <img
         src="https://opensource.saucelabs.com/images/opensauce/powered-by-saucelabs-badge-white.png?sanitize=true"
-        height="86"
+        height="56"
         alt="Testing Powered By Sauce Labs"
       />
       <p>
@@ -217,5 +217,17 @@ Thanks to:
         for testing services
       </p>
     </td>
+    <td>
+      <img
+        src="https://user-images.githubusercontent.com/5179191/203835995-e4cf2b3f-483f-419f-afda-bad1200c04f2.png"
+        height="56"
+        alt="LambdaTest"
+      />
+      <p>
+        <a href="https://www.lambdatest.com/hyperexecute">LambdaTest Open Source</a
+        >
+        for testing services
+      </p>
+    </td>
   </tr>
 </table>