Fix: Remove `cache: "true"` input #26

Job	Run time
Upload coverage to codecov.io	29s
Check versioning for consistency / Check versioning for consistency	14s
Linting (3.11) / Linting	27s
Linting (3.10) / Linting	29s
Linting (3.7) / Linting	40s
Linting (3.8) / Linting	28s
Linting (3.9) / Linting	36s
Run tests (3.10) / Run all tests	26s
Run tests (3.11) / Run all tests	27s
Run tests (3.7) / Run all tests	31s
Run tests (3.8) / Run all tests	29s
Run tests (3.9) / Run all tests	42s
	5m 58s

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