Bump github.com/Azure/azure-sdk-for-go/sdk/azidentity from 1.7.0 to 1.8.0 in the gomod group

Bump github.com/Azure/azure-sdk-for-go/sdk/azidentity from 1.7.0 to 1.8.0 in the gomod group #5069