chore(env): update API_GATEWAY_VERSION

[droplet-bot]

Because

• The version of the api-gateway service is not updated in the instill-core repository.

This commit

• updates the API_GATEWAY_VERSION in the .env file to 91a66cd.
• updates the apiGateway.image.tag in the helm chart values.yaml file to 91a66cd.

Changes in api-gateway

• fix(blob): improve base64 URL decoding and request handling for MinIO proxy (fix(blob): improve base64 URL decoding and request handling for MinIO proxy api-gateway#328)
• fix(config): align update endpoints with Google AIP (fix(config): align update endpoints with Google AIP api-gateway#327)
• chore(endpoint): add storage_provider input query for GetFileRequest (chore(endpoint): add storage_provider input query for GetFileRequest api-gateway#326)

---

Note

Aligns api-gateway image version across local and Helm configurations.

• Update API_GATEWAY_VERSION in .env to 91a66cd
• Update apiGateway.image.tag in charts/core/values.yaml to 91a66cd
• Minor whitespace change in charts/core/values.yaml (OpenFGA migrate args), no functional impact

^{Written by Cursor Bugbot for commit 4fcb340. This will update automatically on new commits. Configure here.}