Update RTD server

[pp-mo]

Since RTD is now warning that ubunutu-20 is deprecated.

To highest current ubuntu version = 26.04
Not using 'latest', for stability reasons.

[scitools-ci]

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Footnotes

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   @scitools-templating: please no update notification on: iris-grib ↩

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.05%. Comparing base (4eb084e) to head (c6bb824).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #777   +/-   ##
=======================================
  Coverage   90.05%   90.05%           
=======================================
  Files          10       10           
  Lines        2564     2564           
  Branches      420      420           
=======================================
  Hits         2309     2309           
  Misses        156      156           
  Partials       99       99           

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[pp-mo]

Modded to see if v24 will work, as v26 apparently does not.

More likely, it is time to remove reference to mamba ???

Too specific to each project for a template, I think

[ukmo-ccbunney]

Looks fine, apart from failing test (seems like a timeout?)
Just one comment.

[pp-mo]

Looks fine, apart from failing test (seems like a timeout?) Just one comment.

It isn't a test timeout. It's a url that is not responding.
Unfortunately there's a lot of carnage out there ATM

What was your other issue? I think you didn't post the comment

[pp-mo]

It isn't a test timeout. It's a url that is not responding. Unfortunately there's a lot of carnage out there ATM

Actually I'm probably wrong about that.
Re-spinning

[ukmo-ccbunney]

Sorry - didn't post the comment!

(Yes - I meant that the URL access (repo-review) is timing out on the tests, not the tests themselves).

[ukmo-ccbunney]

According to the RTD docs,, mambaforge-4.10 is deprecated too...