Change CI to handle openblas MSRV compatibility #346

Job	Run time
cargo-careful	1m 53s
blas-msrv	43s
clippy/stable	20s
cross_test/s390x-unknown-linux-gnu/stable	8m 11s
cross_test/i686-unknown-linux-gnu/stable	1m 35s
docs/stable	20s
format/nightly	13s
miri	7m 38s
nostd/thumbv6m-none-eabi/stable	16s
tests/stable	2m 25s
tests/beta	2m 33s
tests/nightly	2m 41s
tests/1.64.0	2m 41s
conclusion	1s
	31m 30s

Provide feedback