Pin openblas to >=0.10.11 in order to fix blas-compatible MSRV to 0.71.1 #355

Job	Run time
cargo-careful	2m 17s
clippy/stable	31s
cross_test/s390x-unknown-linux-gnu/stable	7m 38s
cross_test/i686-unknown-linux-gnu/stable	2m 17s
blas-msrv	51s
docs/stable	13s
format/nightly	11s
miri	8m 12s
nostd/thumbv6m-none-eabi/stable	11s
tests/stable	3m 24s
tests/beta	3m 32s
tests/nightly	3m 43s
tests/1.64.0	4m 51s
conclusion	1s
	37m 52s

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