gh-35026: Drinfeld modules
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### 📚 Description
Fixes #33713.
We implement Drinfeld $\mathbb{F}_q[T]$-modules with a focus towards
finite Drinfeld modules. We also implement isogenies of Drinfeld
modules. More details in the issue.
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None.
URL: https://github.com/sagemath/sage/pull/35026
Reported by: Antoine Leudière
Reviewer(s): David Ayotte, Xavier Caruso
