Add manylinux_2_39_riscv64

[Xeonacid]

Added in pypa/manylinux#1743 as the first official riscv64 image supported by pypa! 🥳

[messense]

Thanks, please also update Dockerfile.j2 and render.py so Dockerfile can be generated by code.

And add it to CI here:

manylinux-cross/.github/workflows/Build.yml

Lines 168 to 169 in 01d9d28

	- arch: riscv64
	manylinux: manylinux_2_31

[Xeonacid]

Thanks, please also update Dockerfile.j2 and render.py so Dockerfile can be generated by code.

And add it to CI here:

manylinux-cross/.github/workflows/Build.yml

Lines 168 to 169 in 01d9d28

	- arch: riscv64
	manylinux: manylinux_2_31

Thanks! Updated render.py and workflow. Seems no change is needed for Dockerfile.j2, wdyt?

[messense]

Building: https://github.com/rust-cross/manylinux-cross/actions/runs/16432951495