fix: flatten proto structure

[jacobowitz]

this should fix the doc generation issue

[codecov]

Codecov Report

Merging #4212 (f08fcc6) into master (dfbabd5) will decrease coverage by 7.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4212      +/-   ##
==========================================
- Coverage   87.10%   80.03%   -7.07%     
==========================================
  Files         114      114              
  Lines        8304     8304              
==========================================
- Hits         7233     6646     -587     
- Misses       1071     1658     +587     

Flag	Coverage Δ
daemon	42.48% <ø> (-0.07%)	⬇️
jina	76.16% <ø> (-10.08%)	⬇️

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

Impacted Files	Coverage Δ
jina/orchestrate/pods/config/k8s.py	0.00% <0.00%> (-100.00%)	⬇️
jina/checker.py	0.00% <0.00%> (-96.30%)	⬇️
...orchestrate/pods/config/k8slib/kubernetes_tools.py	0.00% <0.00%> (-78.58%)	⬇️
...strate/pods/config/k8slib/kubernetes_deployment.py	0.00% <0.00%> (-53.20%)	⬇️
jina/clients/helper.py	47.50% <0.00%> (-52.50%)	⬇️
jina/importer.py	57.69% <0.00%> (-29.49%)	⬇️
jina/helper.py	62.50% <0.00%> (-19.01%)	⬇️
jina/serve/networking.py	71.27% <0.00%> (-12.20%)	⬇️
jina/parsers/ping.py	88.88% <0.00%> (-11.12%)	⬇️
jina/orchestrate/flow/base.py	80.73% <0.00%> (-10.39%)	⬇️
... and 16 more

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[github-actions]

Latency summary

Current PR yields:

• 🐢🐢 index QPS at 760, delta to last 2 avg.: -46%
• 🐎🐎🐎🐎 query QPS at 36, delta to last 2 avg.: +32%
• 🐎🐎🐎🐎 avg flow time within 1.8131 seconds, delta to last 2 avg.: +29%
• 🐎🐎🐎🐎 import jina within 0.4234 seconds, delta to last 2 avg.: +14%

Breakdown

Version	Index QPS	Query QPS	Avg Flow Time (s)	Import Time (s)
current	760	36	1.8131	0.4234
2.6.4	1292	22	1.5267	0.3936
2.6.3	1524	32	1.274	0.3434

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