Add CI check for docker image building #7327

New Feature / Enhancement Checklist

• I am not disclosing a vulnerability.
• I am not just asking a question.
• I have searched through existing issues.

Current Limitation

Certain package configs can cause building the docker image to fail. For example, adding a local dependency with a relative, local path, see:

#7324 (comment)

Feature / Enhancement Description

Add CI check that tries to build a docker image.

Alternatives / Workarounds

• Test manually via policy

3rd Party References

n/a