(AzureCXP) fixes MicrosoftDocs/azure-docs#106102

In Line 73, updated the Bastion Subnet Address range from /27 to /26, as currently this is what is supported.
resolves MicrosoftDocs/azure-docs#106102

Author: KapilAnanth-MSFT

articles/load-balancer/basic/quickstart-basic-public-load-balancer-portal.md

@@ -70,7 +70,7 @@ In this section, you'll create a virtual network and subnet.
     | Setting            | Value                      |
     |--------------------|----------------------------|
     | Bastion name | Enter **myBastionHost** |
-    | AzureBastionSubnet address space | Enter **10.1.1.0/27** |
+    | AzureBastionSubnet address space | Enter **10.1.1.0/26** |
     | Public IP Address | Select **Create new**. </br> For **Name**, enter **myBastionIP**. </br> Select **OK**. |