CI/CD: BLAS MSRV and Clippy #350

Job	Run time
blas-msrv	1m 33s
cross_test/s390x-unknown-linux-gnu/stable	7m 48s
clippy/stable	27s
cross_test/i686-unknown-linux-gnu/stable	2m 14s
cargo-careful	2m 18s
docs/stable	21s
format/nightly	13s
miri	7m 48s
nostd/thumbv6m-none-eabi/stable	14s
tests/stable	3m 24s
tests/beta	3m 33s
tests/nightly	3m 55s
tests/1.64.0	4m 41s
conclusion	1s
	38m 30s

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