fix(kubernetes): add kubernetes dep to perf

[jacobowitz]

fixes #3536

Perf is needed so that the requirement is actually part of all hubble built docker images.

[JoanFM]

Not a big fan of this solution but it is needed

[github-actions]

Latency summary

Current PR yields:

• 🐢🐢 index QPS at 1034, delta to last 2 avg.: -9%
• 😶 query QPS at 46, delta to last 2 avg.: -5%
• 😶 dam extend QPS at 39064, delta to last 2 avg.: -9%
• 😶 avg flow time within 1.2136 seconds, delta to last 2 avg.: -29%
• 🐎🐎🐎🐎 import jina within 0.4574 seconds, delta to last 2 avg.: +11%

Breakdown

Version	Index QPS	Query QPS	DAM Extend QPS	Avg Flow Time (s)	Import Time (s)
current	1034	46	39064	1.2136	0.4574
2.1.5	1089	50	41023	1.7148	0.4289
2.1.4	1195	47	45095	1.7137	0.3897

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

[codecov]

Codecov Report

Merging #3542 (2931176) into master (4286a86) will increase coverage by 2.40%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3542      +/-   ##
==========================================
+ Coverage   86.90%   89.31%   +2.40%     
==========================================
  Files         152      152              
  Lines       11305    11310       +5     
==========================================
+ Hits         9825    10101     +276     
+ Misses       1480     1209     -271     

Flag	Coverage Δ
daemon	45.49% <15.38%> (-0.02%)	⬇️
jina	89.24% <100.00%> (+2.86%)	⬆️

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

Impacted Files	Coverage Δ
jina/__init__.py	71.25% <100.00%> (ø)
jina/peapods/pods/k8s.py	75.00% <100.00%> (+0.64%)	⬆️
jina/types/arrays/memmap.py	95.04% <100.00%> (+0.01%)	⬆️
jina/peapods/peas/__init__.py	85.89% <0.00%> (-4.49%)	⬇️
jina/peapods/runtimes/jinad/__init__.py	88.88% <0.00%> (-3.71%)	⬇️
jina/peapods/pods/compound.py	82.71% <0.00%> (-1.24%)	⬇️
jina/peapods/runtimes/zmq/zed.py	93.87% <0.00%> (+0.51%)	⬆️
jina/peapods/zmq/__init__.py	89.51% <0.00%> (+0.93%)	⬆️
jina/peapods/runtimes/gateway/http/app.py	92.40% <0.00%> (+1.26%)	⬆️
jina/types/message/__init__.py	87.37% <0.00%> (+1.45%)	⬆️
... and 19 more

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