Update to SDL_image 2.8.2

[Starbuck5]

I updated the libpng in the SDL_image windows bundle, so this fixes #2650

Libpng now statically links to zlib, so the windows wheels no longer have any zlib DLL floating around.

[ankith26]

I'm not sure if zlib1.dll should be removed entirely? It is still not entirely clear if something else needs zlib, so potentially there could be a break on some systems where zlib isn't available outside?

[Starbuck5]

Other things do rely on zlib, but they also have it statically. I believe libtiff is in this camp. None of the SDL lib prebuilts (which come with everything they need) contain an explicit zlib DLL right now, so I'm comfortable removing it.

I didn't extricate from the build tooling yet, so it will look for zlib at build time with windows buildconfig and not find it, but that's 100% fine.

[ankith26]

So I was not feeling super confident, and I decided to fire a fresh windows VM to give this PR a spin, and got the classic error that everyone hates

Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "C:\Users\vboxuser\AppData\Local\Programs\Python\Python312\Lib\site-packages\pygame\tests\__main__.py", line 143, in <module>
    run_and_exit(*args, **kwds)
  File "C:\Users\vboxuser\AppData\Local\Programs\Python\Python312\Lib\site-packages\pygame\tests\test_utils\run_tests.py", line 346, in run_and_exit
    total, fails = run(*args, **kwargs)
                   ^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\vboxuser\AppData\Local\Programs\Python\Python312\Lib\site-packages\pygame\tests\test_utils\run_tests.py", line 303, in run
    raise AssertionError(
AssertionError: Something went wrong in the Test Machinery:
total: 2167 != untrusty_total: 2166

More details: This is a fresh windows 11 with nothing else but python 3.12 installed. However when I do py -m pygame.tests.image_test everything still passes

[ankith26]

Okay so the same issue happens with 2.4.0 too

[Starbuck5]

I wonder if we could modify the test runner so it could tell us what module segfaulted, or even what function segfaulted. That would be much more handy.

[ankith26]

Okay, I figured that those fails are not really related to this PR at all, and this PR LGTM! Thanks 🎉

For completeness sake, this PR could also bump the SDL_image on mac/manylinux, but I could also do it in a future PR if you say so.

[Starbuck5]

For completeness sake, this PR could also bump the SDL_image on mac/manylinux, but I could also do it in a future PR if you say so.

This PR does that already :)

[ankith26]

Oh mb I didn't scroll down completely 🤦‍♂️