Add SPI configurations for the standalone mode

[style95]

Description

We need to explicitly configure SPIs for the standalone mode as we updated our default SPI configurations.

Related issue and scope

• I opened an issue to propose and discuss this change (Standalone Openwhisk error: Key not found 'etcd' #5475)

My changes affect the following components

• API
• Controller
• Message Bus (e.g., Kafka)
• Loadbalancer
• Scheduler
• Invoker
• Intrinsic actions (e.g., sequences, conductors)
• Data stores (e.g., CouchDB)
• Tests
• Deployment
• CLI
• General tooling
• Documentation

Types of changes

• Bug fix (generally a non-breaking change which closes an issue).
• Enhancement or new feature (adds new functionality).
• Breaking change (a bug fix or enhancement which changes existing behavior).

Checklist:

• I signed an Apache CLA.
• I reviewed the style guides and followed the recommendations (Travis CI will check :).
• I added tests to cover my changes.
• My changes require further changes to the documentation.
• I updated the documentation where necessary.

[dgrove-oss]

lgtm

[dgrove-oss]

Would this be enough to allow us to remove https://github.com/apache/openwhisk/blob/master/.github/workflows/4-standalone.yaml#L68-L69 or does that script do more?

[style95]

@dgrove-oss
Thanks for the comment, let me try that.

[style95]

It's now obvious that we don't need this step.