update etl internal image

[hunterpack]

PR Checklist

PR Structure

• This PR has reasonably narrow scope (if not, break it down into smaller PRs).
• This PR avoids mixing refactoring changes with feature changes (split into two PRs
  otherwise).
• This PR's title starts with the jira ticket associated with the PR.

Thoroughness

• This PR adds tests for the most critical parts of the new functionality or fixes.
• I've updated the README with the added features, breaking changes, new instructions on how to use the repository.

What

[TODO: Short statement about what is changing.]

Why

[TODO: Why this change is being made. Include any context required to understand the why.]

Known limitations

[TODO or N/A]

[Copilot]

Pull request overview

This PR updates the Docker image tag for the stellar-etl-internal service from d71517d98 to e0cc89363 across all three deployment environments (dev, staging, and production). The change affects Airflow variable configuration files that define which Docker image version is used for ETL operations in the Stellar data pipeline.

Changes:

• Updated stellar_etl_internal_image_name configuration value from tag d71517d98 to e0cc89363 consistently across all three environments

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
airflow_variables_staging.json	Updated stellar ETL internal Docker image tag for staging environment
airflow_variables_prod.json	Updated stellar ETL internal Docker image tag for production environment
airflow_variables_dev.json	Updated stellar ETL internal Docker image tag for development environment

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