feat: introduce Result Service using Lakekeeper as REST catalog for Iceberg - CI

[mengw15]

Note: This PR depends on #4272 (catalog migration). The diff currently includes PR1's changes

What changes were proposed in this PR?

This is PR 5 of a decomposed series from #4242, adding Lakekeeper and MinIO services to the GitHub Actions CI pipeline.

Changes to .github/workflows/github-action-build.yml:

Both the scala and python jobs are updated with the same pattern:

• MinIO: start a MinIO container on the host network with health check polling
• Lakekeeper: run database migration, start Lakekeeper server, wait for health check
• Warehouse init: create MinIO bucket, bootstrap default project, create warehouse with S3 storage profile
• Environment variables: set STORAGE_ICEBERG_CATALOG_TYPE=rest and REST catalog config for sbt compile, sbt test, and Python test
  steps

Any related issues, documentation, discussions?

Part of #4126. Depends on #4272 (catalog migration).

How was this PR tested?

CI

Was this PR authored or co-authored using generative AI tooling?

co-authored with claude