Bump Swatinem/rust-cache from 2.6.2 to 2.7.0 (#1020) #606

Job	Run time
docs	2m 29s
lint	3m 52s
test (macos-latest, 3.8)	7m 50s
typecheck	2m 18s
test (macos-latest, 3.9)	7m 48s
Rust unit tests (ubuntu-latest)	3m 4s
test (macos-latest, 3.10)	8m 44s
Rustfmt	9s
Rust unit tests (macos-latest)	4m 26s
test (macos-latest, 3.11)	8m 13s
Rust unit tests (windows-latest)	6m 3s
test (macos-latest, 3.12-dev)	8m 23s
test (ubuntu-latest, 3.8)	5m 30s
coverage	4m 50s
test (ubuntu-latest, 3.9)	5m 35s
test (ubuntu-latest, 3.10)	6m 0s
test (ubuntu-latest, 3.11)	5m 54s
test (ubuntu-latest, 3.12-dev)	7m 18s
test (windows-latest, 3.8)	7m 55s
test (windows-latest, 3.9)	8m 36s
test (windows-latest, 3.10)	7m 7s
test (windows-latest, 3.11)	8m 19s
test (windows-latest, 3.12-dev)	9m 26s
	2h 19m 49s

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