Pin openblas to >=0.10.11 in order to fix blas-compatible MSRV to 0.71.1 #359

Job	Run time
cargo-careful	3m 38s
clippy/stable	16s
blas-msrv	35s
cross_test/s390x-unknown-linux-gnu/stable	6m 41s
cross_test/i686-unknown-linux-gnu/stable	1m 22s
docs/stable	20s
miri	7m 54s
format/nightly	12s
nostd/thumbv6m-none-eabi/stable	9s
tests/stable	2m 28s
tests/beta	2m 31s
tests/nightly	2m 24s
tests/1.64.0	2m 39s
conclusion	1s
	31m 10s

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