sagemathgh-38879: Run meson-ci for MacOS
    
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Activate CI builds using meson for macos.

In the process, update the conda env lock files and fix a deprecation
warning in new IPython versions (`NoColor` > `nocolor`)

### 📝 Checklist

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### ⌛ Dependencies

- sagemath#37447: for the updated conda lock files
- sagemath#38749: for the update to pari

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URL: sagemath#38879
Reported by: Tobias Diez
Reviewer(s): Dima Pasechnik

Author: Release Manager

.github/workflows/ci-meson.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu]
+        os: [ubuntu, macos]
         python: ['3.11', '3.12']
         editable:
           ${{ fromJson(github.event_name == 'pull_request' && '[false]' || '[false, true]') }}