[Bug] Docker release for dbt-postgres is broken

[mikealfare]

Is this a new bug in dbt-core?

• I believe this is a new bug in dbt-core
• I have searched the existing issues, and I could not find an existing issue for this bug

Current Behavior

Running the Docker release GHA for dbt-postgres>=1.6 fails.

Expected Behavior

This action should run successfully for dbt-postgres<1.8.

Steps To Reproduce

• Run the action for dbt-postgres==1.7.7
• Observe the failure: https://github.com/dbt-labs/dbt-core/actions/runs/8456355316/job/23165975988

Relevant log output

No response

Environment

- OS:
- Python:
- dbt:

Which database adapter are you using with dbt?

postgres

Additional Context

No response