Tests failing after updating Keptn version to 1.0.0 in `master` branch's integration tests

[vadasambar]

Summary
Integration tests have started failing after

1. Keptn distributor version was updated to 1.0.0 in master branch's helm chart here
2. 1.0.0 version was added in the integration tests here

Environment

• Keptn Version (keptn version): 1.0.0
• Kubernetes Cloud Provider (e.g., GKE, AKS): minikube
• Kubernetes version (kubectl version): N/A
• Client OS (e.g., Linux, macOS, Windows): N/A
• Client Browser: N/A

Affected Component

• Web UI / Bridge
• CLI
• REST API or webhooks
• User experience
• Developer experience
• Deployment/manegement with Helm

To Reproduce

Steps to reproduce the behavior:

1. Go to https://github.com/keptn-sandbox/datadog-service/actions/workflows/integration-tests.yaml

2. Trigger Integration Tests from master
   

3. Wait until the Integration tests finish running

4. See the error (check Screenshots below)

Expected behavior

Integration tests should pass for 1.0.0 Keptn version

Current behavior

Integration tests are failing for 1.0.0 Keptn version

Screenshots

Additional context

[vadasambar]

^ needs more info