sQUlearn version 0.9.0

What's Changed

• adjustments in the executor for pennylane lightning gpu by @David-Kreplin in #341
• Update paper source by @MoritzWillmann in #342
• fix docs builds by @MoritzWillmann in #344
• fix pennylane executor by @MoritzWillmann in #343
• Remove need for num_features before fitting by @DennisKleinhans in #301
• fix autoray version to <0.8 for old versions by @MoritzWillmann in #345
• Qulacs Integration by @David-Kreplin in #319
• add qulacs to readme by @MoritzWillmann in #346
• Add CrossEntropyLoss by @MoritzWillmann in #154
• Allow General Base Primitives by @ErikWeiss in #324
• fix get_params of LayeredEncodingCircuit by @MoritzWillmann in #348
• update docstrings by @MoritzWillmann in #349
• add testfile for lowlevel QNN by @David-Kreplin in #350
• model serialization by @DennisKleinhans in #339
• Updates of documentation by @David-Kreplin in #351
• sQUlearn version 0.9.0 by @MoritzWillmann in #352

New Contributors

• @ErikWeiss made their first contribution in #324

Full Changelog: v0.8.4...v0.9.0