Add custominfo to agents

[ddl-rliu]

Tracking issue

#5603

Why are the changes needed?

Agents may use the Resource object to pass some data back to flyte, but the CustomInfo field is not being passed on in Flyte.

What changes were proposed in this pull request?

Pass on the CustomInfo field in Flyte when receiving a response from agents.

How was this patch tested?

Check that custom_info is correctly passed when calling ListTaskExecutions:

{
    "taskExecutions": [
        {
            "id": {
                "taskId": {
                    "resourceType": "TASK",
                    ...
                },
                ...
            },
            "closure": {
                "phase": "SUCCEEDED",
                "createdAt": "2024-07-29T15:55:54.386882596Z",
                "updatedAt": "2024-07-29T15:58:43.680469958Z",
                "customInfo": {
                    "foo": 100
                },
                ...
            },
            ...
        }
    ],
    ...
}

Setup process

Screenshots

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

flyteorg/flytekit#2426

Docs link

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.17%. Comparing base (f075b34) to head (afd264f).
Report is 214 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #5604       +/-   ##
===========================================
- Coverage   60.92%   36.17%   -24.76%     
===========================================
  Files         796     1302      +506     
  Lines       51689   109494    +57805     
===========================================
+ Hits        31494    39607     +8113     
- Misses      17288    65749    +48461     
- Partials     2907     4138     +1231     

Flag	Coverage Δ
unittests-datacatalog	51.37% <ø> (-17.95%)	⬇️
unittests-flyteadmin	55.33% <ø> (-3.40%)	⬇️
unittests-flytecopilot	12.17% <ø> (-5.62%)	⬇️
unittests-flytectl	62.28% <ø> (-5.14%)	⬇️
unittests-flyteidl	7.08% <ø> (-71.97%)	⬇️
unittests-flyteplugins	53.32% <100.00%> (-8.53%)	⬇️
unittests-flytepropeller	41.74% <ø> (-15.52%)	⬇️
unittests-flytestdlib	55.33% <ø> (-10.27%)	⬇️

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[pingsutw]

Thanks, LGTM. Could we add a small test here?

[ddl-rliu]

Thanks for the pointer, done! afd264f