Pin openblas to >=0.10.11 in order to fix blas-compatible MSRV to 0.71.1 #364

Job	Run time
format/nightly	12s
clippy/stable	12s
blas-msrv	41s
cross_test/s390x-unknown-linux-gnu/stable	36s
miri	8m 12s
cross_test/i686-unknown-linux-gnu/stable	36s
nostd/thumbv6m-none-eabi/stable	10s
tests/stable	1m 42s
tests/beta	1m 43s
cargo-careful	2m 4s
tests/nightly	1m 40s
docs/stable	14s
tests/1.64.0	1m 26s
conclusion	1s
	19m 29s

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