Pin openblas to >=0.10.11 in order to fix blas-compatible MSRV to 0.71.1 #366

Job	Run time
blas-msrv	43s
cargo-careful	1m 50s
clippy/stable	14s
cross_test/s390x-unknown-linux-gnu/stable	6m 53s
cross_test/i686-unknown-linux-gnu/stable	1m 20s
docs/stable	13s
format/nightly	13s
miri	8m 5s
nostd/thumbv6m-none-eabi/stable	8s
tests/stable	2m 52s
tests/beta	2m 59s
tests/nightly	3m 0s
tests/1.64.0	3m 27s
conclusion	1s
	31m 58s

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