Use Databricks secrets on Standard plan
run
db secrets create-scope alt --initial-manage-principal users
db secrets list-scopes

db secrets put-secret alt blobkey

Add to spark cluster configuration:

this basically replaces:
spark.conf.set(
"fs.azure.account.key.alganalytics.blob.core.windows.net", "key value..."")
Now notebook can access storage without any configuration

