fix(helper): fetching external ip is extremely slow

[hanxiao]

• fetching external ip is slow in china because of the network issue.
• the original implementation fetch IP sequentially, called twice
• *with timeout at 1, in China mainland it takes (1+1+1)2 = 6s to start at Flow!
• change it to async and smaller timeout

[codecov]

Codecov Report

Merging #2267 (6cc7fb2) into master (6228128) will decrease coverage by 6.89%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2267      +/-   ##
==========================================
- Coverage   90.59%   83.69%   -6.90%     
==========================================
  Files         209      209              
  Lines       11352    11357       +5     
==========================================
- Hits        10284     9505     -779     
- Misses       1068     1852     +784     

Flag	Coverage Δ
daemon	51.28% <100.00%> (+<0.01%)	⬆️
jina	83.75% <100.00%> (-7.31%)	⬇️

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

Impacted Files	Coverage Δ
jina/helper.py	70.35% <100.00%> (-13.41%)	⬇️
jina/schemas/pod.py	0.00% <0.00%> (-100.00%)	⬇️
jina/schemas/flow.py	0.00% <0.00%> (-100.00%)	⬇️
jina/schemas/meta.py	0.00% <0.00%> (-100.00%)	⬇️
jina/schemas/driver.py	0.00% <0.00%> (-100.00%)	⬇️
jina/schemas/request.py	0.00% <0.00%> (-100.00%)	⬇️
jina/schemas/executor.py	0.00% <0.00%> (-100.00%)	⬇️
jina/helloworld/fashion/__init__.py	0.00% <0.00%> (-100.00%)	⬇️
jina/schemas/__init__.py	7.14% <0.00%> (-92.86%)	⬇️
jina/helloworld/multimodal/__init__.py	0.00% <0.00%> (-90.91%)	⬇️
... and 51 more

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[github-actions]

Latency summary

Current PR yields:

• 😶 index QPS at 978, delta to last 3 avg.: -2%
• 😶 query QPS at 14, delta to last 3 avg.: -4%

Breakdown

Version	Index QPS	Query QPS
current	978	14
1.1.0	1006	14
1.0.16	989	14

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