Multiple stack support for stack acceptance tests

[pacostas]

Merge after

• https://github.com/paketo-buildpacks/github-config/pull/955

Summary

This PR adds support for creating multiple stacks before running tests. Specifically iterates over the stacks provided from the images.json file. In case there is no images.json file, it fallbacks to the current behavior, which is to build the build.oci and run.oci from the stack directory

Testing

• It has been tested: https://github.com/pacostas/jammy-base-stack/pull/4

Use Cases

• ubi-nodejs-extension currently has more than one stack.

Checklist

• [x] I have viewed, signed, and submitted the Contributor License Agreement.
• [ ] I have linked issue(s) that this PR should close using keywords or the Github UI (See docs)
• [x] I have added an integration test, if necessary.
• [x] I have reviewed the styleguide for guidance on my code quality.
• [x] I'm happy with the commit history on this PR (I have rebased/squashed as needed).

[pacostas]

@ForestEckhardt, I just resolved the configs. Can you review/approve it?