feature: integrates spandrel for upscaling #921

Job	Run time
Build Wheel	12s
publish-docs	0s
lint	15s
test-gpu	11m 16s
test-non-gpu (3.10, ubuntu-latest)	2m 26s
test-non-gpu (3.11, ubuntu-latest)	2m 28s
type-check	3m 15s
Smoketest (Python 3.10, ubuntu-latest)	7m 35s
Smoketest (Conda, Python 3.10, ubuntu-latest)	5m 31s
Smoketest (Python 3.10, windows-latest)	3m 24s
Smoketest (Conda, Python 3.10, windows-latest)	3m 26s
Smoketest (Python 3.10, macos-latest)	5m 56s
Smoketest (Conda, Python 3.10, macos-latest)	6m 18s
Smoketest (Python 3.11, ubuntu-latest)	5m 27s
Smoketest (Conda, Python 3.11, ubuntu-latest)	7m 47s
Smoketest (Python 3.11, windows-latest)	3m 16s
Smoketest (Conda, Python 3.11, windows-latest)	4m 17s
Smoketest (Python 3.11, macos-latest)	8m 13s
Smoketest (Conda, Python 3.11, macos-latest)	13m 1s
	1h 34m 3s

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