tests/integration: Use AzureLinux instead of Mariner

as OSSKU value, to get rid of this warning when creating the AKS cluster:

WARNING: The osSKU "AzureLinux" should be used going forward instead of
"CBLMariner" or "Mariner". The osSKUs "CBLMariner" and "Mariner" will
eventually be deprecated.

Signed-off-by: Jeremi Piotrowski <jpiotrowski@microsoft.com>

tests/integration/gha-run.sh

@@ -38,7 +38,7 @@ function create_cluster() {
         -s "Standard_D4s_v5" \
         --node-count 1 \
         --generate-ssh-keys \
-        $([ "${KATA_HOST_OS}" = "cbl-mariner" ] && echo "--os-sku mariner --workload-runtime KataMshvVmIsolation")
+        $([ "${KATA_HOST_OS}" = "cbl-mariner" ] && echo "--os-sku AzureLinux --workload-runtime KataMshvVmIsolation")
 }
 
 function install_bats() {