add missing code group tag

Author: HomelessDinosaur

src/pages/apis.mdx

@@ -779,14 +779,16 @@ apis:
       - test.example.com
 ```
 
-```yaml {{ title: "Azure", tag: "nitric.prod.yaml (stack file)" }}
+```yaml {{ title: "Azure", tag: "nitric.prod.yaml" }}
 # currently unsupported - request support here: https://github.com/nitrictech/nitric/issues
 ```
 
-```yaml {{ title: "Google Cloud", tag: "nitric.prod.yaml (stack file)" }}
+```yaml {{ title: "Google Cloud", tag: "nitric.prod.yaml" }}
 # currently unsupported - request support here: https://github.com/nitrictech/nitric/issues
 ```
 
+</CodeGroup>
+
 ## Custom Descriptions
 
 By default, APIs will not be deployed with a description. You can add a description using the following configuration in your stack file.