Pin openblas to >=0.10.11 in order to fix blas-compatible MSRV to 0.71.1 #360

Job	Run time
cargo-careful	1m 51s
blas-msrv	31s
cross_test/s390x-unknown-linux-gnu/stable	7m 37s
clippy/stable	11s
cross_test/i686-unknown-linux-gnu/stable	1m 44s
docs/stable	15s
format/nightly	12s
miri	7m 54s
nostd/thumbv6m-none-eabi/stable	9s
tests/stable	2m 37s
tests/beta	2m 32s
tests/nightly	2m 21s
tests/1.64.0	2m 38s
conclusion	1s
	30m 33s

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