[Feature] Build & deploy workflows

[jamesmcroft]

Describe the feature

To support publishing out this Power Query connector, a GitHub Actions workflow needs to be created which can build, sign, and publish out the release to the project's releases.

Rationale for the feature

This will provide an easy way for individuals looking to use the connector rather than develop it to take it and use it in Power BI.

Scope of the feature

Capability	Priority
Ability to build the OpenAPI connector	Must
Ability to trigger the CI based on a GitHub Release being created with a semantic version	Must
Ability to automatically version the connector based on the semantic version of the GitHub release	Should
Ability to sign the OpenAPI connector with a trusted certificate	Should
Ability to attach the mez connector file to the associated GitHub release	Could

Open questions

No response

Other information

No response