Merge pull request #356 from sparsemat/dependabot/cargo/libflate-2.1.0 #604

Job	Run time
clippy	1m 7s
documentation	1m 15s
Miri	2m 31s
benchmarks	1m 50s
Optional features (approx selected)	34s
Optional features (none selected)	37s
rustfmt	12s
static SuiteSparse (stable, ubuntu-20.04, stable)	38s
test (msrv, ubuntu-20.04, 1.77.0)	1m 6s
static SuiteSparse (macos, macos-latest, stable)	45s
test (stable, ubuntu-20.04, stable)	1m 4s
static SuiteSparse (win-msvc, windows-2019, stable)	1m 21s
test (beta, ubuntu-20.04, beta)	1m 8s
test (nightly, ubuntu-20.04, nightly)	1m 23s
static SuiteSparse (win-gnu, windows-2019, stable)	1m 42s
test (macos, macos-latest, stable)	1m 13s
test (win-msvc, windows-2019, stable)	3m 35s
test (win-gnu, windows-2019, stable)	3m 22s
	25m 23s

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