replace tide with axum in rest plugin and remove async_std dependencies

[wyfo]

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[codecov]

Codecov Report

❌ Patch coverage is 88.13131% with 47 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (main@d879f6c). Learn more about missing BASE report.
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
plugins/zenoh-plugin-rest/src/lib.rs	90.05%	37 Missing ⚠️
plugins/zenoh-plugin-rest/src/config.rs	58.33%	10 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2176   +/-   ##
=======================================
  Coverage        ?   74.02%           
=======================================
  Files           ?      400           
  Lines           ?    60846           
  Branches        ?        0           
=======================================
  Hits            ?    45039           
  Misses          ?    15807           
  Partials        ?        0           

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[evshary]

Overall, LGTM except for some questions.
However, since we don't have a comprehensive unit test for the REST plugin, I would suggest asking the PaaS team to give it a try. Perhaps some behavior might change after the migration and refactor.

[evshary]

Why do we need to declare axum-core explicitly in 1.75?
Also, CI suggests using something similar to

[package.metadata.cargo-machete]
ignored = ["prost"]

[wyfo]

axum 0.8.5 bumped the MSRV

[evshary]

Does it miss the POST?

[wyfo]

https://zenoh.io/docs/apis/rest/
There is no POST in the official documentation, and POST to make query or subscribe makes no sense.

[evshary]

Regarding the typos CI check, let's deal with it in another PR
#2177

[evshary]

Thanks for adding the tests. LGTM except for the CI failures.

[oteffahi]

Checked integration tests that use rest API, they should still pass.
LGTM.

[OlivierHecart]

The z_serve_sse example is broken.

Btw argument parsing of z_serve_sse is broken. It would be great if it could be fixed as well. Ideally zenoh_examples::CommonArgs would be reused.