[DOCS] Note readthedocs bug in README

[dyfrgi]

Add a warning about #3059 to the docs link.

Changes

This does not fix #3059, but it adds a warning so that anyone following this link to the docs will know that they are out of date.

[linux-foundation-easycla]

• ✅ login: ThomsonTan / name: Tom Tan (6ca9641)
• ❌ - login: @dyfrgi / name: Michael Leuchtenburg . The commit (897b94d) is not authorized under a signed CLA. Please click here to be authorized. For further assistance with EasyCLA, please visit our EasyCLA portal and chat with our support bot.

[dyfrgi]

I'm working on the CLA with my employer.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.04%. Comparing base (029f74e) to head (6ca9641).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4054   +/-   ##
=======================================
  Coverage   82.04%   82.04%           
=======================================
  Files         385      385           
  Lines       15896    15896           
=======================================
  Hits        13040    13040           
  Misses       2856     2856           

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[marcalff]

LGTM.

To be revisited later once opentelemetry-cpp resolves how to publish up to date documentation.

[lalitb]

#4058 should fix the docs. Thanks @dyfrgi for notifying the issue.

[ThomsonTan]

#4058 should fix the docs. Thanks @dyfrgi for notifying the issue.

Seems we could leave this PR once #4058 is merged, or rephrase that the docs is only a reference and the repo docs is the source of truth.

[dyfrgi]

#4058 should fix the docs. Thanks @dyfrgi for notifying the issue.

Seems we could leave this PR once #4058 is merged, or rephrase that the docs is only a reference and the repo docs is the source of truth.

Could we embed the docs CI status in the readme?