[v3-3-test] Decide pod_template and image based on Coordinator for lang-SDK tasks on KubernetesExecutor (#68713)

[Lee-W]

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[Lee-W]

This seems to be something that blocks #69532

[jason810496]

Ah, yes this is one of the version-aware example I mentioned.

I will make this reference upstream/main as follow up.

[jason810496]

Just FYI for the further reviewers that this PR (#69536) needs to merge before #69532.

[jason810496]

The only fail CI (chicken-egg problem, we have to merge this PR to solve this CI failure) to I will merge this right away.

  Check Go toolchain version is consistent across build files..................................................Failed
  - hook id: check-go-version-in-sync
  - exit code: 1

    ERROR: Go version pin not found in kubernetes-tests/lang_sdk/go_example/go.mod
    ERROR: Go version pin not found in dev/breeze/src/airflow_breeze/commands/kubernetes_commands.py
           (expected pattern '^go\\s+(\\d+\\.\\d+(?:\\.\\d+)?)\\s*$')
           (expected pattern 'golang:(\\d+\\.\\d+(?:\\.\\d+)?)-alpine')

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