fix: enable timeout for jina ping executor and gateway

[alaeddine-13]

Although the cli interface supports the parameter, jina ping executor and jina ping gateway commands do not support a timeout parameter.
This PR enables this parameter and fixes a small issue for timeout=-1

[codecov]

Codecov Report

Merging #5600 (c5463ae) into master (d70ec53) will decrease coverage by 0.48%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #5600      +/-   ##
==========================================
- Coverage   86.11%   85.63%   -0.49%     
==========================================
  Files         124      124              
  Lines        9939     9940       +1     
==========================================
- Hits         8559     8512      -47     
- Misses       1380     1428      +48     

Flag	Coverage Δ
jina	85.63% <66.66%> (-0.49%)	⬇️

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

Impacted Files	Coverage Δ
jina/parsers/ping.py	100.00% <ø> (ø)
jina/checker.py	85.71% <66.66%> (+0.34%)	⬆️
...estrate/deployments/install_requirements_helper.py	20.21% <0.00%> (-46.81%)	⬇️
jina/clients/mixin.py	65.51% <0.00%> (-31.90%)	⬇️
jina/serve/runtimes/gateway/request_handling.py	85.04% <0.00%> (-10.29%)	⬇️
jina/jaml/parsers/executor/legacy.py	80.76% <0.00%> (-7.70%)	⬇️
jina/serve/runtimes/worker/request_handling.py	82.97% <0.00%> (-7.66%)	⬇️
jina/orchestrate/pods/helper.py	83.01% <0.00%> (-7.55%)	⬇️
jina/orchestrate/flow/base.py	86.29% <0.00%> (-3.68%)	⬇️
jina/serve/runtimes/worker/__init__.py	84.28% <0.00%> (-3.58%)	⬇️
... and 28 more

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