No buildpack groups passed detection

[mahmouddraz]

Describe the bug
Please provide a clear and concise description of what the bug is.

If you have a general question about how to use buildpacks, we encourage you to open a discussion topic instead

Additional context
How are you using GCP buildpacks?

• [ x] pack and the gcr.io/buildpacks/builder
• Cloud Functions
• [x ] Cloud Run
• Cloud Build
• App Engine Standard
• App Engine Flex

Did this used to work?
(Yes/No)
Was this working before? When did you start noticing these errors?
no
What language is your project primarily written in?
(Python/Java/Node.js/Go/etc.)
python for functions, node.js for frontend
Steps To Reproduce
Steps to reproduce the behavior:

1. pack build ...
   the github workflow went fine, it reported this error gcr.io on cloud build. It was part of a firebase deployment.

Expected behavior
A clear and concise description of what you expected to happen.

Actual behavior
What actually happened?

If applicable, add screenshots / logs / error messages
{
insertId: "ae150625-047b-4bc0-b18f-34de26843a63-317"
labels: {2}
logName: "projects/m29-project/logs/cloudbuild"
receiveTimestamp: "2024-08-04T20:03:07.469108960Z"
resource: {2}
severity: "INFO"
textPayload: "Step #2: ERROR: No buildpack groups passed detection."
timestamp: "2024-08-04T20:03:07.417837764Z"