fix(lambda): Adding note in Local Invoke (#1862)

## Problem
Adding a note in Local Invoke Webview page to let the user know to input
the environment variables manually, if their test will need environment
variables values.

## [Solution]
The solution looks like as shown in the image below: 
<img width="871" alt="Screenshot 2024-10-24 at 3 14 37 PM"
src="https://github.com/user-attachments/assets/dc6561a3-66dc-4e20-81e3-7d9f1f98e63f">

Author: Vandita2020

packages/core/src/lambda/vue/configEditor/samInvokeComponent.vue

@@ -27,7 +27,11 @@
                     Using this form you can create, edit, and run launch-configs of <code>type:aws-sam</code>. When you
                     <strong>Invoke</strong> the launch config, {{ company }} Toolkit calls SAM CLI and attaches the
                     debugger to the code running in a local Docker container. open
-                    <a href="#" @click.prevent="openLaunchJson">launch.json</a>.
+                    <a href="#" @click.prevent="openLaunchJson">launch.json</a>.<br />
+                    <br />
+                    <strong>Note:</strong> If you are accessing environment variables in your function code, ensure you
+                    input them in the "Additional fields -> Lambda -> Environment variables" section, following JSON
+                    format:<code>{"KEY":"VALUE"}</code>
                 </em>
             </p>
             <settings-panel id="config-panel" title="General configuration" description="" :start-collapsed="false">