Update README and azure.yml for minimum azd version 1.18.0

Author: Vamshi-Microsoft

README.md

@@ -63,6 +63,8 @@ Quick deploy
 ### How to install or deploy
 Follow the quick deploy steps on the deployment guide to deploy this solution to your own Azure subscription.
 
+> **Note:** This solution accelerator requires **Azure Developer CLI (azd) version 1.18.0 or higher**. Please ensure you have the latest version installed before proceeding with deployment. [Download azd here](https://learn.microsoft.com/en-us/azure/developer/azure-developer-cli/install-azd).
+
 [Click here to launch the deployment guide](./docs/DeploymentGuide.md)
 <br/><br/>
 

azure.yaml

@@ -3,7 +3,7 @@
 name: build-your-own-copilot-solution-accelerator
 
 requiredVersions:
-  azd: ">= 1.15.0"
+  azd: ">= 1.18.0"
 
 metadata:
   template: [email protected]

docs/DeploymentGuide.md

@@ -111,7 +111,7 @@ If you're not using one of the above options for opening the project, then you'l
 
 1. Make sure the following tools are installed:
     - [PowerShell](https://learn.microsoft.com/en-us/powershell/scripting/install/installing-powershell?view=powershell-7.5) <small>(v7.0+)</small> - available for Windows, macOS, and Linux.
-    - [Azure Developer CLI (azd)](https://aka.ms/install-azd) <small>(v1.15.0+)</small> - version
+    - [Azure Developer CLI (azd)](https://aka.ms/install-azd) <small>(v1.18.0+)</small> - version
     - [Python 3.9 to 3.11](https://www.python.org/downloads/)
     - [Docker Desktop](https://www.docker.com/products/docker-desktop/)
     - [Git](https://git-scm.com/downloads)
@@ -213,6 +213,7 @@ Once you've opened the project in [Codespaces](#github-codespaces), [Dev Contain
     ```shell
     azd up
     ```
+    > **Note:** This solution accelerator requires **Azure Developer CLI (azd) version 1.18.0 or higher**. Please ensure you have the latest version installed before proceeding with deployment. [Download azd here](https://learn.microsoft.com/en-us/azure/developer/azure-developer-cli/install-azd).
 
 3. Provide an `azd` environment name (e.g., "byocaapp").
 4. Select a subscription from your Azure account and choose a location that has quota for all the resources.