chore(env): update ARTIFACT_BACKEND_VERSION

[droplet-bot]

Because

• The version of the artifact-backend service is not updated in the instill-core repository.

This commit

• updates the ARTIFACT_BACKEND_VERSION in the .env file to b84247f.
• updates the artifactBackend.image.tag in the helm chart values.yaml file to b84247f.

Changes in artifact-backend

• Initial version update

---

Note

Updates artifact-backend image tag to b84247f in .env and Helm charts/core/values.yaml.

• Configs:
  • artifact-backend:
    • Update image/version tag from ef76bbe to b84247f in .env (ARTIFACT_BACKEND_VERSION).
    • Update Helm artifactBackend.image.tag to b84247f in charts/core/values.yaml.

^{Written by Cursor Bugbot for commit 1a1e568. This will update automatically on new commits. Configure here.}