feat(streaming): support value meta in hash agg

[xx01cyx]

What's changed and what's your intention?

Please explain IN DETAIL what the changes are in this PR and why they are needed:

• Summarize your change
  • Support value meta in hash agg executor v2.
  • Introduce HashCode struct to bypass async closure problem.

Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #1860 (681839b) into main (850aca0) will increase coverage by 0.10%.
The diff coverage is 98.46%.

@@            Coverage Diff             @@
##             main    #1860      +/-   ##
==========================================
+ Coverage   70.81%   70.91%   +0.10%     
==========================================
  Files         607      610       +3     
  Lines       79593    79685      +92     
==========================================
+ Hits        56363    56509     +146     
+ Misses      23230    23176      -54     

Flag	Coverage Δ
rust	70.91% <98.46%> (+0.10%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/batch/src/task/hash_shuffle_channel.rs	0.00% <0.00%> (ø)
src/common/src/util/ordered/serde.rs	99.51% <ø> (+6.69%)	⬆️
src/common/src/array/data_chunk.rs	94.69% <100.00%> (+0.04%)	⬆️
src/common/src/hash/key.rs	85.90% <100.00%> (+0.39%)	⬆️
src/storage/src/storage_value.rs	78.66% <100.00%> (+18.66%)	⬆️
src/storage/src/write_batch.rs	80.00% <100.00%> (+0.68%)	⬆️
.../src/executor/managed_state/aggregation/extreme.rs	90.26% <100.00%> (+0.37%)	⬆️
...ream/src/executor/managed_state/aggregation/mod.rs	79.45% <100.00%> (+0.57%)	⬆️
src/stream/src/executor_v2/agg.rs	97.22% <100.00%> (+0.07%)	⬆️
src/stream/src/executor_v2/global_simple_agg.rs	97.07% <100.00%> (+0.01%)	⬆️
... and 53 more

📣 Codecov can now indicate which changes are the most critical in Pull Requests. Learn more

[fuyufjh]

LGTM

[fuyufjh]

We may propose some shorter name for consistent_hash_value 🤔

[xx01cyx]

Indeed. What about place_key?