[OpenBLAS_jll] Upgrade to v0.3.28 (#55462)
Memo to self:
* update version number in `stdlib/OpenBLAS_jll/Project.toml`
* update version number and sha in `deps/openblas.version`
* refresh checksums with `make -f contrib/refresh_checksums.mk -j
openblas`
See the [release notes of
v0.3.28](https://github.com/OpenMathLib/OpenBLAS/releases/tag/v0.3.28).