Use unique name for each os.arch variant when uploading Wheels (#17905)

### Pull Request Checklist

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* [X] Pull request is based on the develop branch
* [X] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
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* [X] [Code
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correct
(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))

.github/workflows/release-artifacts.yml

@@ -158,7 +158,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
-          name: Wheel
+          name: Wheel-${{ matrix.os }}-${{ matrix.arch }}
           path: ./wheelhouse/*.whl
 
   build-sdist:

changelog.d/17905.misc

+Use unique name for each os.arch variant when uploading Wheel artifacts.