feat(flow): allow uses for Executor class

[hanxiao]

No description provided.

[codecov]

Codecov Report

Merging #2215 (0a17114) into master (762f619) will decrease coverage by 1.30%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##           master    #2215      +/-   ##
==========================================
- Coverage   90.44%   89.13%   -1.31%     
==========================================
  Files         208      208              
  Lines       11218    11221       +3     
==========================================
- Hits        10146    10002     -144     
- Misses       1072     1219     +147     

Flag	Coverage Δ
daemon	50.27% <75.00%> (+0.01%)	⬆️
jina	89.48% <75.00%> (-1.42%)	⬇️

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Impacted Files	Coverage Δ
jina/helper.py	82.70% <66.66%> (-0.96%)	⬇️
jina/__init__.py	73.49% <100.00%> (ø)
jina/jaml/parsers/flow/v1.py	48.14% <0.00%> (-44.45%)	⬇️
jina/clients/asyncio.py	50.00% <0.00%> (-40.63%)	⬇️
jina/jaml/parsers/flow/legacy.py	22.72% <0.00%> (-20.46%)	⬇️
jina/flow/mixin/async_crud.py	44.59% <0.00%> (-14.87%)	⬇️
jina/flow/base.py	78.00% <0.00%> (-14.58%)	⬇️
jina/flow/asyncio.py	75.00% <0.00%> (-12.50%)	⬇️
jina/jaml/helper.py	87.02% <0.00%> (-6.88%)	⬇️
jina/jaml/parsers/__init__.py	93.61% <0.00%> (-6.39%)	⬇️
... and 12 more

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[github-actions]

Latency summary

Current PR yields:

• 😶 index QPS at 962, delta to last 3 avg.: -1%
• 🐢🐢 query QPS at 13, delta to last 3 avg.: -9%

Breakdown

Version	Index QPS	Query QPS
current	962	13
1.0.12	982	14
1.0.11	978	14

Backed by latency-tracking. Further commits will update this comment.