### Overview:

The primary issue appears to be that the Cloud Build pipeline for deploying your application is not being executed. This is evidenced by the absence of recent Cloud Build builds and the lack of configured Cloud Build triggers. Consequently, no Cloud Run services are being deployed. While the service accounts have the necessary permissions, the deployment process itself is not being initiated. I ran `gcloud builds list` and found no recent Cloud Build builds. I also ran `gcloud builds triggers list` and found no Cloud Build triggers configured. Furthermore, I ran `gcloud run services list --region=us-central1`, `gcloud run services list --region=us-east1`, and `gcloud run services list --region=europe-west1` and found no Cloud Run services deployed in these regions. There were also no error logs for Cloud Build or Cloud Run revisions in the specified timeframe.

### Recommended fixes:

* **Configure Cloud Build Triggers:** You need to set up Cloud Build triggers to automatically start builds when changes are pushed to your source repository. This will initiate the CI/CD pipeline.

* **Verify `cloudbuild.yaml`:** Ensure that your `cloudbuild.yaml` file is correctly defined in your source repository and specifies the steps to build your application and deploy it to Cloud Run.

* **Specify Cloud Run Deployment Region:** When deploying to Cloud Run, ensure that you specify the desired region for your services. If you intend to deploy to a region other than the ones checked, you will need to adjust your deployment configuration accordingly.