docs: mention supported versions

[kostis-codefresh]

Signed-off-by: Kostis Kapelonis [email protected]

Solves #1939

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
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[sonarcloud]

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[github-actions]

Go Published Test Results

1 772 tests   1 772 ✔️  2m 35s ⏱️
   101 suites         0 💤
       1 files           0 ❌

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Codecov Report

Base: 82.38% // Head: 82.38% // No change to project coverage 👍

Coverage data is based on head (71d8f86) compared to base (1394f4e).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2163   +/-   ##
=======================================
  Coverage   82.38%   82.38%           
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  Files         121      121           
  Lines       18476    18476           
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  Hits        15221    15221           
  Misses       2468     2468           
  Partials      787      787           

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E2E Tests Published Test Results

  1 files    1 suites   48m 45s ⏱️
89 tests 82 ✔️ 3 💤 4 ❌
93 runs  86 ✔️ 3 💤 4 ❌

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[rcontreras-te]

Thanks for the docs update @kostis-codefresh !

[zachaller]

This looks good I do think it makes sense to possibly do a table with versions that are supported as well so we can track the history of support, thoughts? If we do this we should also make note in the release docs https://github.com/argoproj/argo-rollouts/blob/master/docs/releasing.md about updating the table until we can possibly automate it.

[kostis-codefresh]

@zachaller FYI this is the same PR as Argo CD https://argo-cd.readthedocs.io/en/stable/operator-manual/installation/#supported-versions

It is bulletproof in the sense that it needs no updates at all.

[zachaller]

Yup that is fair it just makes it hard for the end users to know which versions where supported in the past without doing a whole bunch of date comparisons and looking at when argo rollouts was released and comparing it to when kubernetes was released to be able to say something like versions 1.1 of rollouts supported kubernetes versions 1.xx if we find that is to much a burden on the release to keep up to date I am fine either way nothing should block this PR. Just wanted feedback on if we felt that was useful.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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