Update conditional syntax in install.sh

Author: ms-nateb

src/artifacts-helper/install.sh

@@ -70,7 +70,7 @@ check_packages() {
 
 export DEBIAN_FRONTEND=noninteractive
 
-if [ "${ID}" = "mariner" ] || { [ "${ID}" = "azurelinux" ] && [ "${VERSION_ID}" = "3.0" ]; then
+if [[ "${ID}" == "mariner" || ( "${ID}" == "azurelinux" && "${VERSION_ID}" == "3.0" ) ]]; then
     tdnf install -y wget ca-certificates
     tdnf clean all
 else