Add 3DGS EWA SYRK BLAS MKL cross-pollination plan #479

Job	Run time
hpc-stream-parallel/rayon	1m 27s
format/stable	16s
native-backend/stable	8m 7s
Pass MSRV values to other jobs	4s
clippy/1.95.0	34s
nostd/thumbv6m-none-eabi/stable	25s
cargo-careful	40s
miri	1m 10s
nightly-simd-polyfill	42s
docs/nightly	46s
tier4-avx512-check	22s
cross_test/${{ matrix.target }}/${{ matrix.rust }}	-1s
blas-msrv	42s
tests/beta	11m 32s
tests/stable	10m 39s
tests/1.95.0	11m 6s
conclusion	0s
	48m 31s

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