Pin openblas to >=0.10.11 in order to fix blas-compatible MSRV to 0.71.1 #356

Job	Run time
clippy/stable	13s
nostd/thumbv6m-none-eabi/stable	9s
blas-msrv	17s
cargo-careful	1m 54s
cross_test/s390x-unknown-linux-gnu/stable	6m 20s
docs/stable	12s
cross_test/i686-unknown-linux-gnu/stable	1m 28s
format/nightly	16s
miri	8m 10s
tests/stable	3m 13s
tests/beta	3m 23s
tests/nightly	3m 41s
tests/1.64.0	4m 40s
conclusion	1s
	33m 57s

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