gh-35812: Decouple tuple
Change sage/combinat/tuple.py to use itertools instead of GAP.
### :books: Description
This fixes #35784.
Iterating Tuples delegates to itertools.product
Iterating UnorderedTuples delegates to
itertools.combinations_with_replacement
### :memo: Checklist
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- [x] The title is concise, informative, and self-explanatory.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation accordingly.
### :hourglass: Dependencies
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URL: https://github.com/sagemath/sage/pull/35812
Reported by: deinst
Reviewer(s): David Coudert, deinst, Matthias Köppe, Travis Scrimshaw
