Removed cached downloads on windows CI (#2875)

# Checklist

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- [ ] Small commits made to fix your PR have been squashed to avoid
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- [ ] Tests have been added for new features or bug fixes.
- [ ] API of new functions and classes are documented.

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Author: JohanMabille

.github/workflows/windows.yml

@@ -44,7 +44,7 @@ jobs:
         environment-name: myenv
         environment-file: environment-dev.yml
         init-shell: bash
-        cache-downloads: true
+        cache-downloads: false
         create-args: |
           ninja