refactor(batch): Use futures-async-stream to implement GenerateSeriesI32Executor executor

[D2Lark]

Signed-off-by: d2lark lichengamoy@gmail.com

Implement GenerateSeriesI32Executor using Executor2 trait.

PLEASE DO NOT LEAVE THIS EMPTY !!!

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

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• How does this PR work? Need a brief introduction for the changed logic (optional)
• Describe clearly one logical change and avoid lazy messages (optional)
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• I have written necessary docs and comments
• I have added necessary unit tests and integration tests

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close #1934

[neverchanje]

lgtm

[TennyZhuang]

CI is running: https://github.com/singularity-data/risingwave/actions/runs/2246868774

[codecov]

Codecov Report

Merging #2218 (202d025) into main (511fffb) will increase coverage by 0.00%.
The diff coverage is 40.90%.

@@           Coverage Diff           @@
##             main    #2218   +/-   ##
=======================================
  Coverage   71.10%   71.10%           
=======================================
  Files         657      657           
  Lines       83880    83858   -22     
=======================================
- Hits        59643    59631   -12     
+ Misses      24237    24227   -10     

Flag	Coverage Δ
rust	71.10% <40.90%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
src/batch/src/executor/mod.rs	60.46% <ø> (ø)
src/batch/src/executor2/mod.rs	100.00% <ø> (ø)
src/batch/src/executor2/generate_series.rs	68.85% <40.90%> (ø)
src/connector/src/filesystem/file_common.rs	80.88% <0.00%> (+0.44%)	⬆️

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