[App Service] Fix Azure#29493: az webapp create: Update basic-auth parameter description (Azure#30734)

Author: seligj95

src/azure-cli/azure/cli/command_modules/appservice/_help.py

@@ -1652,12 +1652,15 @@
   - name: Create a web app with the default configuration.
     text: >
         az webapp create -g MyResourceGroup -p MyPlan -n MyUniqueAppName
-  - name: Create a web app with a Java 11 runtime.
+  - name: Create a web app with a Java 21 runtime.
     text: >
-        az webapp create -g MyResourceGroup -p MyPlan -n MyUniqueAppName --runtime "java:11:Java SE:11"
-  - name: Create a web app with a NodeJS 10.14 runtime and deployed from a local git repository.
+        az webapp create -g MyResourceGroup -p MyPlan -n MyUniqueAppName --runtime "JAVA:21-java21"
+  - name: Create a web app with a NodeJS 20 runtime and deployed from a local git repository.
     text: >
-        az webapp create -g MyResourceGroup -p MyPlan -n MyUniqueAppName --runtime "node:12LTS" --deployment-local-git
+        az webapp create -g MyResourceGroup -p MyPlan -n MyUniqueAppName --runtime "node:20LTS" --deployment-local-git
+  - name: Create a web app with both SCM and FTP Basic Auth Publishing Credentials disabled.
+    text: >
+        az webapp create -g MyResourceGroup -p MyPlan -n MyUniqueAppName --basic-auth Disabled
   - name: Create a web app which supports sitecontainers.
     text: >
         az webapp create -g MyResourceGroup -p MyPlan -n MyUniqueAppName --sitecontainers-app

src/azure-cli/azure/cli/command_modules/appservice/_params.py

@@ -169,7 +169,7 @@ def load_arguments(self, _):
         c.argument('acr_use_identity', action='store_true', help="Enable or disable pull image from acr use managed identity")
         c.argument('acr_identity', help='Accept system or user assigned identity which will be set for acr image pull. '
                                         'Use \'[system]\' to refer system assigned identity, or a resource id to refer user assigned identity.')
-        c.argument('basic_auth', help='Enable or disable basic auth.', arg_type=get_enum_type(BASIC_AUTH_TYPES))
+        c.argument('basic_auth', help='Enable or disable basic auth for both SCM and FTP Basic Auth Publishing Credentials. Defaults to Enabled if not specified. See https://aka.ms/app-service-basic-auth to learn more.', arg_type=get_enum_type(BASIC_AUTH_TYPES))
         c.ignore('language')
         c.ignore('using_webapp_up')