feature: integrates spandrel for upscaling #924

Job	Run time
lint	15s
test-gpu	2m 18s
publish-docs	0s
Build Wheel	15s
test-non-gpu (3.10, ubuntu-latest)	1m 46s
type-check	2m 14s
test-non-gpu (3.11, ubuntu-latest)	1m 47s
Smoketest (Conda, Python 3.10, ubuntu-latest)	1m 53s
Smoketest (Python 3.10, ubuntu-latest)	34s
Smoketest (Conda, Python 3.10, windows-latest)	1m 45s
Smoketest (Python 3.10, windows-latest)	30s
Smoketest (Conda, Python 3.10, macos-latest)	1m 47s
Smoketest (Python 3.10, macos-latest)	31s
Smoketest (Python 3.11, ubuntu-latest)	37s
Smoketest (Conda, Python 3.11, ubuntu-latest)	1m 52s
Smoketest (Conda, Python 3.11, windows-latest)	1m 46s
Smoketest (Python 3.11, windows-latest)	29s
Smoketest (Conda, Python 3.11, macos-latest)	1m 43s
Smoketest (Python 3.11, macos-latest)	34s
	22m 36s

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