update gfortran-install submodule

[mattip]

Use gfortran 11.3 from conda for macos x86_64 ( from MacPython/gfortran-install#11). The latest 0.3.21 macos uploads were mistakenly labeled 10.11, they are actually 10.14 instead.

[isuruf]

You can change to 10.9 now with MacPython/gfortran-install#11

[mattip]

I wonder if somehow the gfortran-install submodule should indicate it supports MACOSX_DEPLOYMENT_TARGET>=10.9

[mattip]

The artifacts have different suffixes, previously the x86_64 suffix had gf_1becaaa in it

openblas-v0.3.21-macosx_10_9_x86_64-gf_c469a42.tar.gz
openblas64_-v0.3.21-macosx_10_9_x86_64-gf_c469a42.tar.gz
openblas-v0.3.21-macosx_11_0_arm64-gf_5272328.tar.gz
openblas64_-v0.3.21-macosx_11_0_arm64-gf_5272328.tar.gz

[isuruf]

That's expected. The gfortran compiler changed and the hash of the compiler is used in the build.

[mattip]

right, that is GFORTRAN_SHA from the gfortran-install repo. So this will require an update to the numpy openblas_support script in numpy/numpy#22525

[mattip]

ppc64le builds are failing, like the previous ones. That is a best-effort attempt to support that platform, so not a blocker.